113432987 has 8 divisors (see below), whose sum is σ = 120372480. Its totient is φ = 106660840.

The previous prime is 113432953. The next prime is 113433037. The reversal of 113432987 is 789234311.

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 113432987 - 2⁶ = 113432923 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 113432987.

It is not an unprimeable number, because it can be changed into a prime (113432927) 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, 40439 + ... + 43152.

It is an arithmetic number, because the mean of its divisors is an integer number (15046560).

Almost surely, 2^113432987 is an apocalyptic number.

113432987 is a deficient number, since it is larger than the sum of its proper divisors (6939493).

113432987 is an equidigital number, since it uses as much as digits as its factorization.

113432987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83673.

The product of its digits is 36288, while the sum is 38.

The square root of 113432987 is about 10650.4923360378. The cubic root of 113432987 is about 484.0755223885.

The spelling of 113432987 in words is "one hundred thirteen million, four hundred thirty-two thousand, nine hundred eighty-seven".