113279199942 has 16 divisors (see below), whose sum is σ = 226563255360. Its totient is φ = 37758924072.

The previous prime is 113279199941. The next prime is 113279199949. The reversal of 113279199942 is 249991972311.

It is a happy number.

It is a super-2 number, since 2×113279199942² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

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

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 147513 + ... + 498315.

It is an arithmetic number, because the mean of its divisors is an integer number (14160203460).

Almost surely, 2^113279199942 is an apocalyptic number.

113279199942 is an abundant number, since it is smaller than the sum of its proper divisors (113284055418).

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

113279199942 is a wasteful number, since it uses less digits than its factorization.

113279199942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404627.

The product of its digits is 2204496, while the sum is 57.

The spelling of 113279199942 in words is "one hundred thirteen billion, two hundred seventy-nine million, one hundred ninety-nine thousand, nine hundred forty-two".