113866 has 12 divisors (see below), whose sum is σ = 182358. Its totient is φ = 53312.

The previous prime is 113843. The next prime is 113891. The reversal of 113866 is 668311.

It can be written as a sum of positive squares in 3 ways, for example, as 108241 + 5625 = 329^2 + 75^2 .

Its product of digits (864) is a multiple of the sum of its prime divisors (216).

It is a self number, because there is not a number n which added to its sum of digits gives 113866.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 480 + ... + 676.

2¹¹³⁸⁶⁶ is an apocalyptic number.

113866 is a deficient number, since it is larger than the sum of its proper divisors (68492).

113866 is a wasteful number, since it uses less digits than its factorization.

113866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233 (or 216 counting only the distinct ones).

The product of its digits is 864, while the sum is 25.

The square root of 113866 is about 337.4403651017. The cubic root of 113866 is about 48.4690701578.

It can be divided in two parts, 113 and 866, that added together give a palindrome (979).

The spelling of 113866 in words is "one hundred thirteen thousand, eight hundred sixty-six".