138184991224 has 16 divisors (see below), whose sum is σ = 296110695600. Its totient is φ = 59222139072.

The previous prime is 138184991207. The next prime is 138184991237. The reversal of 138184991224 is 422199481831.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1233794509 + ... + 1233794620.

It is an arithmetic number, because the mean of its divisors is an integer number (18506918475).

Almost surely, 2^138184991224 is an apocalyptic number.

138184991224 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

138184991224 is an abundant number, since it is smaller than the sum of its proper divisors (157925704376).

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

138184991224 is a wasteful number, since it uses less digits than its factorization.

138184991224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2467589142 (or 2467589138 counting only the distinct ones).

The product of its digits is 995328, while the sum is 52.

The spelling of 138184991224 in words is "one hundred thirty-eight billion, one hundred eighty-four million, nine hundred ninety-one thousand, two hundred twenty-four".