113783391 has 12 divisors (see below), whose sum is σ = 164760960. Its totient is φ = 75667680.

The previous prime is 113783389. The next prime is 113783407. The reversal of 113783391 is 193387311.

It is not a de Polignac number, because 113783391 - 2¹ = 113783389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113783591) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11775 + ... + 19136.

It is an arithmetic number, because the mean of its divisors is an integer number (13730080).

Almost surely, 2^113783391 is an apocalyptic number.

113783391 is a deficient number, since it is larger than the sum of its proper divisors (50977569).

113783391 is a wasteful number, since it uses less digits than its factorization.

113783391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31326 (or 31323 counting only the distinct ones).

The product of its digits is 13608, while the sum is 36.

The square root of 113783391 is about 10666.9297832132. The cubic root of 113783391 is about 484.5734599641.

The spelling of 113783391 in words is "one hundred thirteen million, seven hundred eighty-three thousand, three hundred ninety-one".