115540136 has 16 divisors (see below), whose sum is σ = 218198400. Its totient is φ = 57353904.

The previous prime is 115540133. The next prime is 115540141. The reversal of 115540136 is 631045511.

It is not an unprimeable number, because it can be changed into a prime (115540133) 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, 50840 + ... + 53063.

It is an arithmetic number, because the mean of its divisors is an integer number (13637400).

Almost surely, 2^115540136 is an apocalyptic number.

It is an amenable number.

115540136 is a deficient number, since it is larger than the sum of its proper divisors (102658264).

115540136 is a wasteful number, since it uses less digits than its factorization.

115540136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104048 (or 104044 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 115540136 is about 10748.9597636236. The cubic root of 115540136 is about 487.0545724058.

Adding to 115540136 its reverse (631045511), we get a palindrome (746585647).

The spelling of 115540136 in words is "one hundred fifteen million, five hundred forty thousand, one hundred thirty-six".