115514239 has 4 divisors (see below), whose sum is σ = 115577280. Its totient is φ = 115451200.

The previous prime is 115514237. The next prime is 115514291. The reversal of 115514239 is 932415511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 932415511 = 29 ⋅32152259.

It is a cyclic number.

It is not a de Polignac number, because 115514239 - 2¹ = 115514237 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 115514239.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115514237) 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, 28687 + ... + 32464.

It is an arithmetic number, because the mean of its divisors is an integer number (28894320).

Almost surely, 2^115514239 is an apocalyptic number.

115514239 is a deficient number, since it is larger than the sum of its proper divisors (63041).

115514239 is an equidigital number, since it uses as much as digits as its factorization.

115514239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63040.

The product of its digits is 5400, while the sum is 31.

The square root of 115514239 is about 10747.7550679200. The cubic root of 115514239 is about 487.0181804495.

The spelling of 115514239 in words is "one hundred fifteen million, five hundred fourteen thousand, two hundred thirty-nine".