138327875 has 32 divisors (see below), whose sum is σ = 198806400. Its totient is φ = 94128000.

The previous prime is 138327863. The next prime is 138327887. The reversal of 138327875 is 578723831.

It is an interprime number because it is at equal distance from previous prime (138327863) and next prime (138327887).

It is not a de Polignac number, because 138327875 - 2⁶ = 138327811 is a prime.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 129845 + ... + 130905.

It is an arithmetic number, because the mean of its divisors is an integer number (6212700).

Almost surely, 2^138327875 is an apocalyptic number.

138327875 is a deficient number, since it is larger than the sum of its proper divisors (60478525).

138327875 is a wasteful number, since it uses less digits than its factorization.

138327875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1232 (or 1222 counting only the distinct ones).

The product of its digits is 282240, while the sum is 44.

The square root of 138327875 is about 11761.2871319427. The cubic root of 138327875 is about 517.1738631350.

The spelling of 138327875 in words is "one hundred thirty-eight million, three hundred twenty-seven thousand, eight hundred seventy-five".