113919444 has 18 divisors (see below), whose sum is σ = 287963130. Its totient is φ = 37973136.

The previous prime is 113919439. The next prime is 113919469. The reversal of 113919444 is 444919311.

It can be written as a sum of positive squares in only one way, i.e., 62252100 + 51667344 = 7890^2 + 7188^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 3164429 = 113919444 / (1 + 1 + 3 + 9 + 1 + 9 + 4 + 4 + 4).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 113919399 and 113919408.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1582179 + ... + 1582250.

Almost surely, 2^113919444 is an apocalyptic number.

It is an amenable number.

113919444 is an abundant number, since it is smaller than the sum of its proper divisors (174043686).

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

113919444 is a wasteful number, since it uses less digits than its factorization.

113919444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3164439 (or 3164434 counting only the distinct ones).

The product of its digits is 15552, while the sum is 36.

The square root of 113919444 is about 10673.3052050431. The cubic root of 113919444 is about 484.7665209864.

The spelling of 113919444 in words is "one hundred thirteen million, nine hundred nineteen thousand, four hundred forty-four".