113279199940 has 24 divisors (see below), whose sum is σ = 245560073472. Its totient is φ = 43850012640.

The previous prime is 113279199893. The next prime is 113279199941. The reversal of 113279199940 is 49991972311.

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (113279199941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91353574 + ... + 91354813.

It is an arithmetic number, because the mean of its divisors is an integer number (10231669728).

Almost surely, 2^113279199940 is an apocalyptic number.

113279199940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113279199940 is an abundant number, since it is smaller than the sum of its proper divisors (132280873532).

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

113279199940 is a wasteful number, since it uses less digits than its factorization.

113279199940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182708427 (or 182708425 counting only the distinct ones).

The product of its (nonzero) digits is 1102248, while the sum is 55.

The spelling of 113279199940 in words is "one hundred thirteen billion, two hundred seventy-nine million, one hundred ninety-nine thousand, nine hundred forty".