113567985 has 24 divisors (see below), whose sum is σ = 202174440. Its totient is φ = 58931712.

The previous prime is 113567977. The next prime is 113567999. The reversal of 113567985 is 589765311.

It is a happy number.

113567985 is a `hidden beast` number, since 1 + 1 + 3 + 567 + 9 + 85 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 29680704 + 83887281 = 5448^2 + 9159^2 .

It is not a de Polignac number, because 113567985 - 2³ = 113567977 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 113567985.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32440 + ... + 35769.

It is an arithmetic number, because the mean of its divisors is an integer number (8423935).

Almost surely, 2^113567985 is an apocalyptic number.

113567985 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

113567985 is a deficient number, since it is larger than the sum of its proper divisors (88606455).

113567985 is a wasteful number, since it uses less digits than its factorization.

113567985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68257 (or 68254 counting only the distinct ones).

The product of its digits is 226800, while the sum is 45.

The square root of 113567985 is about 10656.8280928239. The cubic root of 113567985 is about 484.2674810121.

The spelling of 113567985 in words is "one hundred thirteen million, five hundred sixty-seven thousand, nine hundred eighty-five".