138715124 has 24 divisors (see below), whose sum is σ = 255911040. Its totient is φ = 65608704.

The previous prime is 138715099. The next prime is 138715163. The reversal of 138715124 is 421517831.

138715124 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86837 + ... + 88419.

It is an arithmetic number, because the mean of its divisors is an integer number (10662960).

Almost surely, 2^138715124 is an apocalyptic number.

It is an amenable number.

138715124 is a deficient number, since it is larger than the sum of its proper divisors (117195916).

138715124 is a wasteful number, since it uses less digits than its factorization.

138715124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2759 (or 2757 counting only the distinct ones).

The product of its digits is 6720, while the sum is 32.

The square root of 138715124 is about 11777.7384925970. The cubic root of 138715124 is about 517.6560230308.

The spelling of 138715124 in words is "one hundred thirty-eight million, seven hundred fifteen thousand, one hundred twenty-four".