138597825743 has 32 divisors (see below), whose sum is σ = 159755488704. Its totient is φ = 119109998592.

The previous prime is 138597825721. The next prime is 138597825767. The reversal of 138597825743 is 347528795831.

It is not a de Polignac number, because 138597825743 - 2²⁰ = 138596777167 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 (138597825713) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7867421 + ... + 7885017.

It is an arithmetic number, because the mean of its divisors is an integer number (4992359022).

Almost surely, 2^138597825743 is an apocalyptic number.

138597825743 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

138597825743 is a deficient number, since it is larger than the sum of its proper divisors (21157662961).

138597825743 is a wasteful number, since it uses less digits than its factorization.

138597825743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18011.

The product of its digits is 50803200, while the sum is 62.

The spelling of 138597825743 in words is "one hundred thirty-eight billion, five hundred ninety-seven million, eight hundred twenty-five thousand, seven hundred forty-three".