113639336860 has 96 divisors (see below), whose sum is σ = 287278387200. Its totient is φ = 37705147200.

The previous prime is 113639336801. The next prime is 113639336879. The reversal of 113639336860 is 68633936311.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 54526 + ... + 479845.

It is an arithmetic number, because the mean of its divisors is an integer number (2992483200).

Almost surely, 2^113639336860 is an apocalyptic number.

113639336860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 113639336860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143639193600).

113639336860 is an abundant number, since it is smaller than the sum of its proper divisors (173639050340).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

113639336860 is a wasteful number, since it uses less digits than its factorization.

113639336860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534432 (or 534416 counting only the distinct ones).

The product of its (nonzero) digits is 1259712, while the sum is 49.

The spelling of 113639336860 in words is "one hundred thirteen billion, six hundred thirty-nine million, three hundred thirty-six thousand, eight hundred sixty".