115136018 has 8 divisors (see below), whose sum is σ = 173445948. Its totient is φ = 57320704.

The previous prime is 115136017. The next prime is 115136057. The reversal of 115136018 is 810631511.

It can be written as a sum of positive squares in 2 ways, for example, as 109767529 + 5368489 = 10477^2 + 2317^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (115136011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123071 + ... + 124002.

Almost surely, 2^115136018 is an apocalyptic number.

115136018 is a deficient number, since it is larger than the sum of its proper divisors (58309930).

115136018 is a wasteful number, since it uses less digits than its factorization.

115136018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247308.

The product of its (nonzero) digits is 720, while the sum is 26.

The square root of 115136018 is about 10730.1452925857. The cubic root of 115136018 is about 486.4860616100.

Adding to 115136018 its reverse (810631511), we get a palindrome (925767529).

The spelling of 115136018 in words is "one hundred fifteen million, one hundred thirty-six thousand, eighteen".