113378685839 has 4 divisors (see below), whose sum is σ = 113479110960. Its totient is φ = 113278260720.

The previous prime is 113378685821. The next prime is 113378685899. The reversal of 113378685839 is 938586873311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 938586873311 = 139 ⋅6752423549.

It is a cyclic number.

It is not a de Polignac number, because 113378685839 - 2²⁴ = 113361908623 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 (113378685899) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50210867 + ... + 50213124.

It is an arithmetic number, because the mean of its divisors is an integer number (28369777740).

Almost surely, 2^113378685839 is an apocalyptic number.

113378685839 is a deficient number, since it is larger than the sum of its proper divisors (100425121).

113378685839 is a wasteful number, since it uses less digits than its factorization.

113378685839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100425120.

The product of its digits is 26127360, while the sum is 62.

The spelling of 113378685839 in words is "one hundred thirteen billion, three hundred seventy-eight million, six hundred eighty-five thousand, eight hundred thirty-nine".