113943915 has 48 divisors (see below), whose sum is σ = 206309376. Its totient is φ = 60328800.

The previous prime is 113943899. The next prime is 113943923. The reversal of 113943915 is 519349311.

It is not a de Polignac number, because 113943915 - 2⁴ = 113943899 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 113943915.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 231820 + ... + 232310.

It is an arithmetic number, because the mean of its divisors is an integer number (4298112).

Almost surely, 2^113943915 is an apocalyptic number.

113943915 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

113943915 is a deficient number, since it is larger than the sum of its proper divisors (92365461).

113943915 is an equidigital number, since it uses as much as digits as its factorization.

113943915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 702 (or 690 counting only the distinct ones).

The product of its digits is 14580, while the sum is 36.

The square root of 113943915 is about 10674.4515081572. The cubic root of 113943915 is about 484.8012293494.

It can be divided in two parts, 1139 and 43915, that added together give a palindrome (45054).

The spelling of 113943915 in words is "one hundred thirteen million, nine hundred forty-three thousand, nine hundred fifteen".