138563726042 has 16 divisors (see below), whose sum is σ = 237566535360. Its totient is φ = 59377274208.

The previous prime is 138563726033. The next prime is 138563726101. The reversal of 138563726042 is 240627365831.

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, 477548 + ... + 710759.

It is an arithmetic number, because the mean of its divisors is an integer number (14847908460).

Almost surely, 2^138563726042 is an apocalyptic number.

138563726042 is a deficient number, since it is larger than the sum of its proper divisors (99002809318).

138563726042 is a wasteful number, since it uses less digits than its factorization.

138563726042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1196645.

The product of its (nonzero) digits is 1451520, while the sum is 47.

The spelling of 138563726042 in words is "one hundred thirty-eight billion, five hundred sixty-three million, seven hundred twenty-six thousand, forty-two".