138789547799 has 24 divisors (see below), whose sum is σ = 170972607168. Its totient is φ = 111947297280.

The previous prime is 138789547759. The next prime is 138789547811. The reversal of 138789547799 is 997745987831.

It is not a de Polignac number, because 138789547799 - 2²⁸ = 138521112343 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 (138789547759) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10108259 + ... + 10121979.

It is an arithmetic number, because the mean of its divisors is an integer number (7123858632).

Almost surely, 2^138789547799 is an apocalyptic number.

138789547799 is a deficient number, since it is larger than the sum of its proper divisors (32183059369).

138789547799 is a wasteful number, since it uses less digits than its factorization.

138789547799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25895 (or 25888 counting only the distinct ones).

The product of its digits is 960180480, while the sum is 77.

The spelling of 138789547799 in words is "one hundred thirty-eight billion, seven hundred eighty-nine million, five hundred forty-seven thousand, seven hundred ninety-nine".