113736 has 32 divisors (see below), whose sum is σ = 325440. Its totient is φ = 32448.

The previous prime is 113731. The next prime is 113749. The reversal of 113736 is 637311.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a nude number because it is divisible by every one of its digits.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (113731) by changing a digit.

113736 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 171 + ... + 506.

It is an arithmetic number, because the mean of its divisors is an integer number (10170).

2¹¹³⁷³⁶ is an apocalyptic number.

It is an amenable number.

113736 is an abundant number, since it is smaller than the sum of its proper divisors (211704).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

113736 is a wasteful number, since it uses less digits than its factorization.

113736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 693 (or 689 counting only the distinct ones).

The product of its digits is 378, while the sum is 21.

The square root of 113736 is about 337.2476834613. The cubic root of 113736 is about 48.4506175364.

The spelling of 113736 in words is "one hundred thirteen thousand, seven hundred thirty-six".