138074692 has 24 divisors (see below), whose sum is σ = 277852736. Its totient is φ = 58809888.

The previous prime is 138074669. The next prime is 138074707. The reversal of 138074692 is 296470831.

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, 10563 + ... + 19690.

Almost surely, 2^138074692 is an apocalyptic number.

It is an amenable number.

138074692 is an abundant number, since it is smaller than the sum of its proper divisors (139778044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

138074692 is a wasteful number, since it uses less digits than its factorization.

138074692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30427 (or 30425 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 138074692 is about 11750.5187970574. The cubic root of 138074692 is about 516.8581408020.

The spelling of 138074692 in words is "one hundred thirty-eight million, seventy-four thousand, six hundred ninety-two".