115636 has 6 divisors (see below), whose sum is σ = 202370. Its totient is φ = 57816.

The previous prime is 115631. The next prime is 115637. The reversal of 115636 is 636511.

It can be written as a sum of positive squares in only one way, i.e., 115600 + 36 = 340^2 + 6^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14451 + ... + 14458.

2¹¹⁵⁶³⁶ is an apocalyptic number.

It is an amenable number.

115636 is a deficient number, since it is larger than the sum of its proper divisors (86734).

115636 is a wasteful number, since it uses less digits than its factorization.

115636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28913 (or 28911 counting only the distinct ones).

The product of its digits is 540, while the sum is 22.

The square root of 115636 is about 340.0529370554. The cubic root of 115636 is about 48.7189238719.

It can be divided in two parts, 11563 and 6, that multiplied together give a triangular number (69378 = T₃₇₂).

The spelling of 115636 in words is "one hundred fifteen thousand, six hundred thirty-six".