138627335574 has 64 divisors (see below), whose sum is σ = 379151700480. Its totient is φ = 36561054240.

The previous prime is 138627335551. The next prime is 138627335617. The reversal of 138627335574 is 475533726831.

138627335574 is a `hidden beast` number, since 1 + 3 + 8 + 62 + 7 + 3 + 3 + 5 + 574 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 138627335574.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14100432 + ... + 14110259.

It is an arithmetic number, because the mean of its divisors is an integer number (5924245320).

Almost surely, 2^138627335574 is an apocalyptic number.

138627335574 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

138627335574 is an abundant number, since it is smaller than the sum of its proper divisors (240524364906).

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

138627335574 is a wasteful number, since it uses less digits than its factorization.

138627335574 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28210722 (or 28210716 counting only the distinct ones).

The product of its digits is 12700800, while the sum is 54.

The spelling of 138627335574 in words is "one hundred thirty-eight billion, six hundred twenty-seven million, three hundred thirty-five thousand, five hundred seventy-four".