138823234022575 has 12 divisors (see below), whose sum is σ = 172141231670968. Its totient is φ = 111058315293600.

The previous prime is 138823234022533. The next prime is 138823234022579. The reversal of 138823234022575 is 575220432328831.

It is not a de Polignac number, because 138823234022575 - 2²⁷ = 138823099804847 is a prime.

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138823234022579) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3949705 + ... + 17124445.

Almost surely, 2^{138823234022575} is an apocalyptic number.

138823234022575 is a deficient number, since it is larger than the sum of its proper divisors (33317997648393).

138823234022575 is a wasteful number, since it uses less digits than its factorization.

138823234022575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13596234 (or 13596229 counting only the distinct ones).

The product of its (nonzero) digits is 19353600, while the sum is 55.

The spelling of 138823234022575 in words is "one hundred thirty-eight trillion, eight hundred twenty-three billion, two hundred thirty-four million, twenty-two thousand, five hundred seventy-five".