115231636 has 36 divisors (see below), whose sum is σ = 219425052. Its totient is φ = 52925184.

The previous prime is 115231631. The next prime is 115231673. The reversal of 115231636 is 636132511.

It can be written as a sum of positive squares in 6 ways, for example, as 3083536 + 112148100 = 1756^2 + 10590^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115231631) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 251920 + ... + 252376.

Almost surely, 2^115231636 is an apocalyptic number.

It is an amenable number.

115231636 is a deficient number, since it is larger than the sum of its proper divisors (104193416).

115231636 is a wasteful number, since it uses less digits than its factorization.

115231636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 860 (or 845 counting only the distinct ones).

The product of its digits is 3240, while the sum is 28.

The square root of 115231636 is about 10734.5999459691. The cubic root of 115231636 is about 486.6206964355.

The spelling of 115231636 in words is "one hundred fifteen million, two hundred thirty-one thousand, six hundred thirty-six".