113536640 has 64 divisors (see below), whose sum is σ = 310210560. Its totient is φ = 38925312.

The previous prime is 113536639. The next prime is 113536649. The reversal of 113536640 is 46635311.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113536649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8192 + ... + 17151.

It is an arithmetic number, because the mean of its divisors is an integer number (4847040).

Almost surely, 2^113536640 is an apocalyptic number.

113536640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113536640 is an abundant number, since it is smaller than the sum of its proper divisors (196673920).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

113536640 is an equidigital number, since it uses as much as digits as its factorization.

113536640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25369 (or 25357 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 113536640 is about 10655.3573379779. The cubic root of 113536640 is about 484.2229239687. Note that the first 3 decimals are identical.

The spelling of 113536640 in words is "one hundred thirteen million, five hundred thirty-six thousand, six hundred forty".