116556439 has 4 divisors (see below), whose sum is σ = 117010224. Its totient is φ = 116102656.

The previous prime is 116556389. The next prime is 116556443. The reversal of 116556439 is 934655611.

It is a happy number.

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 116556439 - 2¹⁹ = 116032151 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116556499) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 226507 + ... + 227020.

It is an arithmetic number, because the mean of its divisors is an integer number (29252556).

Almost surely, 2^116556439 is an apocalyptic number.

116556439 is a deficient number, since it is larger than the sum of its proper divisors (453785).

116556439 is an equidigital number, since it uses as much as digits as its factorization.

116556439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453784.

The product of its digits is 97200, while the sum is 40.

The square root of 116556439 is about 10796.1307420761. The cubic root of 116556439 is about 488.4784664415.

The spelling of 116556439 in words is "one hundred sixteen million, five hundred fifty-six thousand, four hundred thirty-nine".