115936391 has 8 divisors (see below), whose sum is σ = 116874624. Its totient is φ = 115002360.

The previous prime is 115936369. The next prime is 115936409. The reversal of 115936391 is 193639511.

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 115936391 - 2¹⁰ = 115935367 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115936321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74366 + ... + 75908.

It is an arithmetic number, because the mean of its divisors is an integer number (14609328).

Almost surely, 2^115936391 is an apocalyptic number.

115936391 is a deficient number, since it is larger than the sum of its proper divisors (938233).

115936391 is a wasteful number, since it uses less digits than its factorization.

115936391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2101.

The product of its digits is 21870, while the sum is 38.

The square root of 115936391 is about 10767.3762356481. The cubic root of 115936391 is about 487.6107358350.

The spelling of 115936391 in words is "one hundred fifteen million, nine hundred thirty-six thousand, three hundred ninety-one".