-140 is an even number.
-140 is a Harshad number, which means it is divisible by the sum of its digits (1 + 4 + 0 = 5, and -140 is divisible by 5).
In binary, -140 is represented as 1111111111111111111111111111111111111111111111111111111101110100.
In hex, -140 is represented as ffffffffffffff74.