138926430354 has 32 divisors (see below), whose sum is σ = 296071047936. Its totient is φ = 43307147520.

The previous prime is 138926430347. The next prime is 138926430367. The reversal of 138926430354 is 453034629831.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4321642 + ... + 4353669.

It is an arithmetic number, because the mean of its divisors is an integer number (9252220248).

Almost surely, 2^138926430354 is an apocalyptic number.

138926430354 is an abundant number, since it is smaller than the sum of its proper divisors (157144617582).

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

138926430354 is a wasteful number, since it uses less digits than its factorization.

138926430354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8675490.

The product of its (nonzero) digits is 1866240, while the sum is 48.

The spelling of 138926430354 in words is "one hundred thirty-eight billion, nine hundred twenty-six million, four hundred thirty thousand, three hundred fifty-four".