113219939 has 12 divisors (see below), whose sum is σ = 131979168. Its totient is φ = 96843600.

The previous prime is 113219933. The next prime is 113219941. The reversal of 113219939 is 939912311.

It is not a de Polignac number, because 113219939 - 2¹⁶ = 113154403 is a prime.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113219933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24374 + ... + 28644.

It is an arithmetic number, because the mean of its divisors is an integer number (10998264).

Almost surely, 2^113219939 is an apocalyptic number.

113219939 is a deficient number, since it is larger than the sum of its proper divisors (18759229).

113219939 is an equidigital number, since it uses as much as digits as its factorization.

113219939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4826 (or 4819 counting only the distinct ones).

The product of its digits is 13122, while the sum is 38.

The square root of 113219939 is about 10640.4858441708. The cubic root of 113219939 is about 483.7722715188.

The spelling of 113219939 in words is "one hundred thirteen million, two hundred nineteen thousand, nine hundred thirty-nine".