113400091 has 4 divisors (see below), whose sum is σ = 129600112. Its totient is φ = 97200072.

The previous prime is 113400071. The next prime is 113400103. The reversal of 113400091 is 190004311.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 113400091 - 2⁵ = 113400059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113400011) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 8100000 + ... + 8100013.

It is an arithmetic number, because the mean of its divisors is an integer number (32400028).

Almost surely, 2^113400091 is an apocalyptic number.

113400091 is a deficient number, since it is larger than the sum of its proper divisors (16200021).

113400091 is an equidigital number, since it uses as much as digits as its factorization.

113400091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16200020.

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 113400091 is about 10648.9478823027. The cubic root of 113400091 is about 484.0287232800.

The spelling of 113400091 in words is "one hundred thirteen million, four hundred thousand, ninety-one".