113578649 has 8 divisors (see below), whose sum is σ = 122819328. Its totient is φ = 104622400.

The previous prime is 113578639. The next prime is 113578657. The reversal of 113578649 is 946875311.

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

It is a cyclic number.

It is not a de Polignac number, because 113578649 - 2²⁴ = 96801433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113578639) 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, 70277 + ... + 71874.

It is an arithmetic number, because the mean of its divisors is an integer number (15352416).

Almost surely, 2^113578649 is an apocalyptic number.

It is an amenable number.

113578649 is a deficient number, since it is larger than the sum of its proper divisors (9240679).

113578649 is a wasteful number, since it uses less digits than its factorization.

113578649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142215.

The product of its digits is 181440, while the sum is 44.

The square root of 113578649 is about 10657.3284175726. The cubic root of 113578649 is about 484.2826380619.

The spelling of 113578649 in words is "one hundred thirteen million, five hundred seventy-eight thousand, six hundred forty-nine".