113199591 has 8 divisors (see below), whose sum is σ = 153407344. Its totient is φ = 74229120.

The previous prime is 113199571. The next prime is 113199637. The reversal of 113199591 is 195991311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 113199591 - 2²⁶ = 46090727 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113199551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 309106 + ... + 309471.

It is an arithmetic number, because the mean of its divisors is an integer number (19175918).

Almost surely, 2^113199591 is an apocalyptic number.

113199591 is a deficient number, since it is larger than the sum of its proper divisors (40207753).

113199591 is an equidigital number, since it uses as much as digits as its factorization.

113199591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 618641.

The product of its digits is 10935, while the sum is 39.

The square root of 113199591 is about 10639.5296418592. The cubic root of 113199591 is about 483.7432884379.

It can be divided in two parts, 11319 and 9591, that added together give a triangular number (20910 = T₂₀₄).

The spelling of 113199591 in words is "one hundred thirteen million, one hundred ninety-nine thousand, five hundred ninety-one".