138125762 has 16 divisors (see below), whose sum is σ = 212699520. Its totient is φ = 67241328.

The previous prime is 138125749. The next prime is 138125789. The reversal of 138125762 is 267521831.

It is a happy number.

It is a super-2 number, since 2×138125762² = 38157452256161288, which contains 22 as substring.

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, 14789 + ... + 22247.

It is an arithmetic number, because the mean of its divisors is an integer number (13293720).

Almost surely, 2^138125762 is an apocalyptic number.

138125762 is a deficient number, since it is larger than the sum of its proper divisors (74573758).

138125762 is a wasteful number, since it uses less digits than its factorization.

138125762 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7705.

The product of its digits is 20160, while the sum is 35.

The square root of 138125762 is about 11752.6916916934. The cubic root of 138125762 is about 516.9218567786.

The spelling of 138125762 in words is "one hundred thirty-eight million, one hundred twenty-five thousand, seven hundred sixty-two".