113636 has 6 divisors (see below), whose sum is σ = 198870. Its totient is φ = 56816.

The previous prime is 113623. The next prime is 113647. The reversal of 113636 is 636311.

It can be written as a sum of positive squares in only one way, i.e., 102400 + 11236 = 320^2 + 106^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14201 + ... + 14208.

It is an arithmetic number, because the mean of its divisors is an integer number (33145).

2¹¹³⁶³⁶ is an apocalyptic number.

It is an amenable number.

113636 is a deficient number, since it is larger than the sum of its proper divisors (85234).

113636 is a wasteful number, since it uses less digits than its factorization.

113636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28413 (or 28411 counting only the distinct ones).

The product of its digits is 324, while the sum is 20.

The square root of 113636 is about 337.0993918713. The cubic root of 113636 is about 48.4364136420.

Adding to 113636 its reverse (636311), we get a palindrome (749947).

The spelling of 113636 in words is "one hundred thirteen thousand, six hundred thirty-six".