138200143875 has 32 divisors (see below), whose sum is σ = 230511537984. Its totient is φ = 73531584000.

The previous prime is 138200143853. The next prime is 138200143889. The reversal of 138200143875 is 578341002831.

It is not a de Polignac number, because 138200143875 - 2¹⁵ = 138200111107 is a prime.

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, 279814 + ... + 595563.

It is an arithmetic number, because the mean of its divisors is an integer number (7203485562).

Almost surely, 2^138200143875 is an apocalyptic number.

138200143875 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

138200143875 is a deficient number, since it is larger than the sum of its proper divisors (92311394109).

138200143875 is an equidigital number, since it uses as much as digits as its factorization.

138200143875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 875816 (or 875806 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 42.

The spelling of 138200143875 in words is "one hundred thirty-eight billion, two hundred million, one hundred forty-three thousand, eight hundred seventy-five".