113791940 has 24 divisors (see below), whose sum is σ = 247204440. Its totient is φ = 43947008.

The previous prime is 113791927. The next prime is 113791949. The reversal of 113791940 is 49197311.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1982464 + 111809476 = 1408^2 + 10574^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 113791940.

It is not an unprimeable number, because it can be changed into a prime (113791949) 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, 97517 + ... + 98676.

It is an arithmetic number, because the mean of its divisors is an integer number (10300185).

Almost surely, 2^113791940 is an apocalyptic number.

113791940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113791940 is an abundant number, since it is smaller than the sum of its proper divisors (133412500).

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

113791940 is a wasteful number, since it uses less digits than its factorization.

113791940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196231 (or 196229 counting only the distinct ones).

The product of its (nonzero) digits is 6804, while the sum is 35.

The square root of 113791940 is about 10667.3305001767. The cubic root of 113791940 is about 484.5855956391.

The spelling of 113791940 in words is "one hundred thirteen million, seven hundred ninety-one thousand, nine hundred forty".