115527939 has 4 divisors (see below), whose sum is σ = 154037256. Its totient is φ = 77018624.

The previous prime is 115527913. The next prime is 115527947. The reversal of 115527939 is 939725511.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 115527939 - 2²⁰ = 114479363 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 115527939.

It is not an unprimeable number, because it can be changed into a prime (115523939) 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, 19254654 + ... + 19254659.

It is an arithmetic number, because the mean of its divisors is an integer number (38509314).

Almost surely, 2^115527939 is an apocalyptic number.

115527939 is a deficient number, since it is larger than the sum of its proper divisors (38509317).

115527939 is an equidigital number, since it uses as much as digits as its factorization.

115527939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38509316.

The product of its digits is 85050, while the sum is 42.

The square root of 115527939 is about 10748.3923914230. The cubic root of 115527939 is about 487.0374331563.

It can be divided in two parts, 11552 and 7939, that added together give a palindrome (19491).

The spelling of 115527939 in words is "one hundred fifteen million, five hundred twenty-seven thousand, nine hundred thirty-nine".