115288439 has 8 divisors (see below), whose sum is σ = 131943840. Its totient is φ = 98679456.

The previous prime is 115288429. The next prime is 115288457. The reversal of 115288439 is 934882511.

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

It is a cyclic number.

It is not a de Polignac number, because 115288439 - 2¹⁶ = 115222903 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 115288396 and 115288405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115288429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6104 + ... + 16365.

It is an arithmetic number, because the mean of its divisors is an integer number (16492980).

Almost surely, 2^115288439 is an apocalyptic number.

115288439 is a deficient number, since it is larger than the sum of its proper divisors (16655401).

115288439 is an equidigital number, since it uses as much as digits as its factorization.

115288439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23209.

The product of its digits is 69120, while the sum is 41.

The square root of 115288439 is about 10737.2454102530. The cubic root of 115288439 is about 486.7006425791.

The spelling of 115288439 in words is "one hundred fifteen million, two hundred eighty-eight thousand, four hundred thirty-nine".