138008875 has 16 divisors (see below), whose sum is σ = 181303200. Its totient is φ = 104594400.

The previous prime is 138008867. The next prime is 138008903. The reversal of 138008875 is 578800831.

138008875 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 138008875 - 2³ = 138008867 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26680 + ... + 31429.

It is an arithmetic number, because the mean of its divisors is an integer number (11331450).

Almost surely, 2^138008875 is an apocalyptic number.

138008875 is a deficient number, since it is larger than the sum of its proper divisors (43294325).

138008875 is an equidigital number, since it uses as much as digits as its factorization.

138008875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58143 (or 58133 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 40.

The square root of 138008875 is about 11747.7178634831. The cubic root of 138008875 is about 516.7760029909.

The spelling of 138008875 in words is "one hundred thirty-eight million, eight thousand, eight hundred seventy-five".