138833875 has 16 divisors (see below), whose sum is σ = 179244000. Its totient is φ = 107234400.

The previous prime is 138833837. The next prime is 138833899. The reversal of 138833875 is 578338831.

It is not a de Polignac number, because 138833875 - 2⁹ = 138833363 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, 15525 + ... + 22774.

It is an arithmetic number, because the mean of its divisors is an integer number (11202750).

Almost surely, 2^138833875 is an apocalyptic number.

138833875 is a deficient number, since it is larger than the sum of its proper divisors (40410125).

138833875 is an equidigital number, since it uses as much as digits as its factorization.

138833875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38343 (or 38333 counting only the distinct ones).

The product of its digits is 483840, while the sum is 46.

The square root of 138833875 is about 11782.7787469680. The cubic root of 138833875 is about 517.8036989182.

The spelling of 138833875 in words is "one hundred thirty-eight million, eight hundred thirty-three thousand, eight hundred seventy-five".