138596875 has 12 divisors (see below), whose sum is σ = 173238912. Its totient is φ = 110875000.

The previous prime is 138596867. The next prime is 138596881. The reversal of 138596875 is 578695831.

It is not a de Polignac number, because 138596875 - 2³ = 138596867 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19051 + ... + 25300.

It is an arithmetic number, because the mean of its divisors is an integer number (14436576).

Almost surely, 2^138596875 is an apocalyptic number.

138596875 is a deficient number, since it is larger than the sum of its proper divisors (34642037).

138596875 is an frugal number, since it uses more digits than its factorization.

138596875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44376 (or 44356 counting only the distinct ones).

The product of its digits is 1814400, while the sum is 52.

The square root of 138596875 is about 11772.7174008383. The cubic root of 138596875 is about 517.5088876472.

The spelling of 138596875 in words is "one hundred thirty-eight million, five hundred ninety-six thousand, eight hundred seventy-five".