113040291 has 96 divisors (see below), whose sum is σ = 207556608. Its totient is φ = 53187840.

The previous prime is 113040241. The next prime is 113040349. The reversal of 113040291 is 192040311.

It is not a de Polignac number, because 113040291 - 2⁶ = 113040227 is a prime.

It is a super-3 number, since 3×113040291³ (a number of 25 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (113040241) 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 95 ways as a sum of consecutive naturals, for example, 3055125 + ... + 3055161.

It is an arithmetic number, because the mean of its divisors is an integer number (2162048).

Almost surely, 2^113040291 is an apocalyptic number.

113040291 is a deficient number, since it is larger than the sum of its proper divisors (94516317).

113040291 is a wasteful number, since it uses less digits than its factorization.

113040291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129 (or 110 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 113040291 is about 10632.0407730595. The cubic root of 113040291 is about 483.5162661753.

The spelling of 113040291 in words is "one hundred thirteen million, forty thousand, two hundred ninety-one".