138375088 has 20 divisors (see below), whose sum is σ = 269656848. Its totient is φ = 68786240.

The previous prime is 138375071. The next prime is 138375089. The reversal of 138375088 is 880573831.

It is not an unprimeable number, because it can be changed into a prime (138375089) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22228 + ... + 27763.

Almost surely, 2^138375088 is an apocalyptic number.

It is an amenable number.

138375088 is a deficient number, since it is larger than the sum of its proper divisors (131281760).

138375088 is a wasteful number, since it uses less digits than its factorization.

138375088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50172 (or 50166 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 43.

The square root of 138375088 is about 11763.2940964680. The cubic root of 138375088 is about 517.2326957026.

The spelling of 138375088 in words is "one hundred thirty-eight million, three hundred seventy-five thousand, eighty-eight".