115919437 has 16 divisors (see below), whose sum is σ = 125337600. Its totient is φ = 106861680.

The previous prime is 115919431. The next prime is 115919449. The reversal of 115919437 is 734919511.

It is a cyclic number.

It is not a de Polignac number, because 115919437 - 2¹⁵ = 115886669 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 115919437.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115919431) 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, 241764 + ... + 242242.

It is an arithmetic number, because the mean of its divisors is an integer number (7833600).

Almost surely, 2^115919437 is an apocalyptic number.

It is an amenable number.

115919437 is a deficient number, since it is larger than the sum of its proper divisors (9418163).

115919437 is a wasteful number, since it uses less digits than its factorization.

115919437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 816.

The product of its digits is 34020, while the sum is 40.

The square root of 115919437 is about 10766.5889212879. The cubic root of 115919437 is about 487.5869660323.

The spelling of 115919437 in words is "one hundred fifteen million, nine hundred nineteen thousand, four hundred thirty-seven".