113649915 has 8 divisors (see below), whose sum is σ = 181839888. Its totient is φ = 60613280.

The previous prime is 113649911. The next prime is 113649917. The reversal of 113649915 is 519946311.

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

It is not a de Polignac number, because 113649915 - 2² = 113649911 is a prime.

It is not an unprimeable number, because it can be changed into a prime (113649911) 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, 3788316 + ... + 3788345.

It is an arithmetic number, because the mean of its divisors is an integer number (22729986).

Almost surely, 2^113649915 is an apocalyptic number.

113649915 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

113649915 is a deficient number, since it is larger than the sum of its proper divisors (68189973).

113649915 is an equidigital number, since it uses as much as digits as its factorization.

113649915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7576669.

The product of its digits is 29160, while the sum is 39.

The square root of 113649915 is about 10660.6714141277. The cubic root of 113649915 is about 484.3839061283.

The spelling of 113649915 in words is "one hundred thirteen million, six hundred forty-nine thousand, nine hundred fifteen".