189372134058920 has 32 divisors (see below), whose sum is σ = 444612836488320. Its totient is φ = 72455425204800.

The previous prime is 189372134058883. The next prime is 189372134058953. The reversal of 189372134058920 is 29850431273981.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102919637156 + ... + 102919638995.

It is an arithmetic number, because the mean of its divisors is an integer number (13894151140260).

Almost surely, 2^{189372134058920} is an apocalyptic number.

189372134058920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

189372134058920 is an abundant number, since it is smaller than the sum of its proper divisors (255240702429400).

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

189372134058920 is a wasteful number, since it uses less digits than its factorization.

189372134058920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205839276185 (or 205839276181 counting only the distinct ones).

The product of its (nonzero) digits is 26127360, while the sum is 62.

The spelling of 189372134058920 in words is "one hundred eighty-nine trillion, three hundred seventy-two billion, one hundred thirty-four million, fifty-eight thousand, nine hundred twenty".