113321986 has 4 divisors (see below), whose sum is σ = 169982982. Its totient is φ = 56660992.

The previous prime is 113321969. The next prime is 113321987. The reversal of 113321986 is 689123311.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 107226025 + 6095961 = 10355^2 + 2469^2 .

It is not an unprimeable number, because it can be changed into a prime (113321987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28330495 + ... + 28330498.

Almost surely, 2^113321986 is an apocalyptic number.

113321986 is a deficient number, since it is larger than the sum of its proper divisors (56660996).

113321986 is an equidigital number, since it uses as much as digits as its factorization.

113321986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56660995.

The product of its digits is 7776, while the sum is 34.

The square root of 113321986 is about 10645.2799869238. The cubic root of 113321986 is about 483.9175718517.

The spelling of 113321986 in words is "one hundred thirteen million, three hundred twenty-one thousand, nine hundred eighty-six".