The Bible does mention 144,000 people in the book of Revelation, but it's a complex topic with different interpretations. Here's a breakdown:
* Revelation 7:4 and Revelation 14:1,3 both mention 144,000 who are "sealed" or "redeemed from the earth." Revelation 14:3 also refers to them as singing a "new song" before the throne of God.
* Who are these 144,000? This is where the interpretations diverge. Some denominations, such as Jehovah's Witnesses, believe this number to be literal, representing a limited number of people who will rule with Christ in heaven. Other interpretations see the number as symbolic. It could represent the fullness of God's people. The number 12,000 (from each of the 12 tribes of Israel) is multiplied by 12 (representing the apostles) to get 144,000. Multiplied by 1,000, which can signify innumerability. Therefore, some believe it represents all believers of the Old and New Testaments.