Q: What is the negative version of the number 138,840,517?
A: -138,840,517
Negative numbers are usually written with - in front of them. They represent a number that is less than zero.
Here are more examples of negative numbers in sequence:
| 138,840,515 | 138,840,516 | 138,840,518 | 138,840,519 |
| -138,840,515 | -138,840,516 | -138,840,518 | -138,840,519 |