138214776558 has 24 divisors (see below), whose sum is σ = 293646622392. Its totient is φ = 43361497984.

The previous prime is 138214776527. The next prime is 138214776563. The reversal of 138214776558 is 855677412831.

It is a junction number, because it is equal to n+sod(n) for n = 138214776498 and 138214776507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39852585 + ... + 39856052.

It is an arithmetic number, because the mean of its divisors is an integer number (12235275933).

Almost surely, 2^138214776558 is an apocalyptic number.

138214776558 is an abundant number, since it is smaller than the sum of its proper divisors (155431845834).

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

138214776558 is a wasteful number, since it uses less digits than its factorization.

138214776558 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79708676 (or 79708659 counting only the distinct ones).

The product of its digits is 11289600, while the sum is 57.

The spelling of 138214776558 in words is "one hundred thirty-eight billion, two hundred fourteen million, seven hundred seventy-six thousand, five hundred fifty-eight".