113345691 has 4 divisors (see below), whose sum is σ = 151127592. Its totient is φ = 75563792.

The previous prime is 113345663. The next prime is 113345699. The reversal of 113345691 is 196543311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 196543311 = 3 ⋅65514437.

It is a cyclic number.

It is not a de Polignac number, because 113345691 - 2⁷ = 113345563 is a prime.

It is not an unprimeable number, because it can be changed into a prime (113345699) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18890946 + ... + 18890951.

It is an arithmetic number, because the mean of its divisors is an integer number (37781898).

Almost surely, 2^113345691 is an apocalyptic number.

113345691 is a deficient number, since it is larger than the sum of its proper divisors (37781901).

113345691 is an equidigital number, since it uses as much as digits as its factorization.

113345691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37781900.

The product of its digits is 9720, while the sum is 33.

The square root of 113345691 is about 10646.3933329555. The cubic root of 113345691 is about 483.9513118954.

The spelling of 113345691 in words is "one hundred thirteen million, three hundred forty-five thousand, six hundred ninety-one".