138073875 has 16 divisors (see below), whose sum is σ = 229755552. Its totient is φ = 73639200.

The previous prime is 138073861. The next prime is 138073889. The reversal of 138073875 is 578370831.

138073875 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (138073861) and next prime (138073889).

It is not a de Polignac number, because 138073875 - 2¹⁷ = 137942803 is a prime.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

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, 183724 + ... + 184473.

It is an arithmetic number, because the mean of its divisors is an integer number (14359722).

Almost surely, 2^138073875 is an apocalyptic number.

138073875 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

138073875 is a deficient number, since it is larger than the sum of its proper divisors (91681677).

138073875 is an equidigital number, since it uses as much as digits as its factorization.

138073875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368215 (or 368205 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 42.

The square root of 138073875 is about 11750.4840325835. The cubic root of 138073875 is about 516.8571213684.

The spelling of 138073875 in words is "one hundred thirty-eight million, seventy-three thousand, eight hundred seventy-five".