116936639 has 4 divisors (see below), whose sum is σ = 117530424. Its totient is φ = 116342856.

The previous prime is 116936629. The next prime is 116936707. The reversal of 116936639 is 936639611.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 116936639 - 2²⁰ = 115888063 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 116936639.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116936629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 296597 + ... + 296990.

It is an arithmetic number, because the mean of its divisors is an integer number (29382606).

Almost surely, 2^116936639 is an apocalyptic number.

116936639 is a deficient number, since it is larger than the sum of its proper divisors (593785).

116936639 is an equidigital number, since it uses as much as digits as its factorization.

116936639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 593784.

The product of its digits is 157464, while the sum is 44.

The square root of 116936639 is about 10813.7245664942. The cubic root of 116936639 is about 489.0090189774.

The spelling of 116936639 in words is "one hundred sixteen million, nine hundred thirty-six thousand, six hundred thirty-nine".