138823005054437 has 16 divisors (see below), whose sum is σ = 153085767072192. Its totient is φ = 124837496286720.

The previous prime is 138823005054379. The next prime is 138823005054443. The reversal of 138823005054437 is 734450500328831.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 138823005054437 - 2³⁶ = 138754285577701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138823005054457) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86835278 + ... + 88419519.

It is an arithmetic number, because the mean of its divisors is an integer number (9567860442012).

Almost surely, 2^{138823005054437} is an apocalyptic number.

It is an amenable number.

138823005054437 is a deficient number, since it is larger than the sum of its proper divisors (14262762017755).

138823005054437 is a wasteful number, since it uses less digits than its factorization.

138823005054437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175255588.

The product of its (nonzero) digits is 9676800, while the sum is 53.

The spelling of 138823005054437 in words is "one hundred thirty-eight trillion, eight hundred twenty-three billion, five million, fifty-four thousand, four hundred thirty-seven".