138852316867044 has 24 divisors (see below), whose sum is σ = 353442261116448. Its totient is φ = 42076459656640.

The previous prime is 138852316867039. The next prime is 138852316867063. The reversal of 138852316867044 is 440768613258831.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 525955745577 + ... + 525955745840.

It is an arithmetic number, because the mean of its divisors is an integer number (14726760879852).

Almost surely, 2^{138852316867044} is an apocalyptic number.

It is an amenable number.

138852316867044 is an abundant number, since it is smaller than the sum of its proper divisors (214589944249404).

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

138852316867044 is a wasteful number, since it uses less digits than its factorization.

138852316867044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1051911491435 (or 1051911491433 counting only the distinct ones).

The product of its (nonzero) digits is 185794560, while the sum is 66.

The spelling of 138852316867044 in words is "one hundred thirty-eight trillion, eight hundred fifty-two billion, three hundred sixteen million, eight hundred sixty-seven thousand, forty-four".