113835649 has 4 divisors (see below), whose sum is σ = 115439040. Its totient is φ = 112232260.

The previous prime is 113835637. The next prime is 113835653. The reversal of 113835649 is 946538311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 113835649 - 2⁷ = 113835521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113836649) 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, 801589 + ... + 801730.

It is an arithmetic number, because the mean of its divisors is an integer number (28859760).

Almost surely, 2^113835649 is an apocalyptic number.

It is an amenable number.

113835649 is a deficient number, since it is larger than the sum of its proper divisors (1603391).

113835649 is an equidigital number, since it uses as much as digits as its factorization.

113835649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1603390.

The product of its digits is 77760, while the sum is 40.

The square root of 113835649 is about 10669.3790353516. The cubic root of 113835649 is about 484.6476329575.

The spelling of 113835649 in words is "one hundred thirteen million, eight hundred thirty-five thousand, six hundred forty-nine".