138900882 has 8 divisors (see below), whose sum is σ = 277801776. Its totient is φ = 46300292.

The previous prime is 138900877. The next prime is 138900901. The reversal of 138900882 is 288009831.

It is a sphenic number, since it is the product of 3 distinct primes.

138900882 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 138900882.

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 3 ways as a sum of consecutive naturals, for example, 11575068 + ... + 11575079.

It is an arithmetic number, because the mean of its divisors is an integer number (34725222).

Almost surely, 2^138900882 is an apocalyptic number.

138900882 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

138900882 is a wasteful number, since it uses less digits than its factorization.

138900882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23150152.

The product of its (nonzero) digits is 27648, while the sum is 39.

The square root of 138900882 is about 11785.6218334036. The cubic root of 138900882 is about 517.8869900505.

The spelling of 138900882 in words is "one hundred thirty-eight million, nine hundred thousand, eight hundred eighty-two".