113720401839 has 16 divisors (see below), whose sum is σ = 165546802944. Its totient is φ = 68865076800.

The previous prime is 113720401819. The next prime is 113720401849. The reversal of 113720401839 is 938104027311.

It is not a de Polignac number, because 113720401839 - 2⁵ = 113720401807 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 113720401797 and 113720401806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113720401819) 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 15 ways as a sum of consecutive naturals, for example, 1368502 + ... + 1449219.

It is an arithmetic number, because the mean of its divisors is an integer number (10346675184).

Almost surely, 2^113720401839 is an apocalyptic number.

113720401839 is a deficient number, since it is larger than the sum of its proper divisors (51826401105).

113720401839 is a wasteful number, since it uses less digits than its factorization.

113720401839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2818958.

The product of its (nonzero) digits is 36288, while the sum is 39.

The spelling of 113720401839 in words is "one hundred thirteen billion, seven hundred twenty million, four hundred one thousand, eight hundred thirty-nine".