115237839 has 16 divisors (see below), whose sum is σ = 158112864. Its totient is φ = 74611200.

The previous prime is 115237799. The next prime is 115237891. The reversal of 115237839 is 938732511.

It is not a de Polignac number, because 115237839 - 2⁸ = 115237583 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 115237797 and 115237806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115227839) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26649 + ... + 30669.

It is an arithmetic number, because the mean of its divisors is an integer number (9882054).

Almost surely, 2^115237839 is an apocalyptic number.

115237839 is a deficient number, since it is larger than the sum of its proper divisors (42875025).

115237839 is a wasteful number, since it uses less digits than its factorization.

115237839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4298.

The product of its digits is 45360, while the sum is 39.

The square root of 115237839 is about 10734.8888676129. Note that the first 4 decimals coincide. The cubic root of 115237839 is about 486.6294279903.

The spelling of 115237839 in words is "one hundred fifteen million, two hundred thirty-seven thousand, eight hundred thirty-nine".