138200874 has 32 divisors (see below), whose sum is σ = 322339200. Its totient is φ = 39485376.

The previous prime is 138200869. The next prime is 138200897. The reversal of 138200874 is 478002831.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31519 + ... + 35634.

It is an arithmetic number, because the mean of its divisors is an integer number (10073100).

Almost surely, 2^138200874 is an apocalyptic number.

138200874 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

138200874 is an abundant number, since it is smaller than the sum of its proper divisors (184138326).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

138200874 is an equidigital number, since it uses as much as digits as its factorization.

138200874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67179 (or 67165 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 138200874 is about 11755.8867806729. The cubic root of 138200874 is about 517.0155395165.

The spelling of 138200874 in words is "one hundred thirty-eight million, two hundred thousand, eight hundred seventy-four".