113632091 has 2 divisors, whose sum is σ = 113632092. Its totient is φ = 113632090.

The previous prime is 113632087. The next prime is 113632117. The reversal of 113632091 is 190236311.

It is an a-pointer prime, because the next prime (113632117) can be obtained adding 113632091 to its sum of digits (26).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 113632091 - 2² = 113632087 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 113632091.

It is not a weakly prime, because it can be changed into another prime (113632591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56816045 + 56816046.

It is an arithmetic number, because the mean of its divisors is an integer number (56816046).

Almost surely, 2^113632091 is an apocalyptic number.

113632091 is a deficient number, since it is larger than the sum of its proper divisors (1).

113632091 is an equidigital number, since it uses as much as digits as its factorization.

113632091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 26.

The square root of 113632091 is about 10659.8354114874. The cubic root of 113632091 is about 484.3585824252.

The spelling of 113632091 in words is "one hundred thirteen million, six hundred thirty-two thousand, ninety-one".