115263136 has 24 divisors (see below), whose sum is σ = 232461684. Its totient is φ = 56225280.

The previous prime is 115263121. The next prime is 115263149. The reversal of 115263136 is 631362511.

It can be written as a sum of positive squares in 2 ways, for example, as 85451536 + 29811600 = 9244^2 + 5460^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42615 + ... + 45238.

Almost surely, 2^115263136 is an apocalyptic number.

115263136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

115263136 is an abundant number, since it is smaller than the sum of its proper divisors (117198548).

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

115263136 is an equidigital number, since it uses as much as digits as its factorization.

115263136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87904 (or 87896 counting only the distinct ones).

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

The square root of 115263136 is about 10736.0670638740. The cubic root of 115263136 is about 486.6650336677.

The spelling of 115263136 in words is "one hundred fifteen million, two hundred sixty-three thousand, one hundred thirty-six".