116839513 has 4 divisors (see below), whose sum is σ = 133530880. Its totient is φ = 100148148.

The previous prime is 116839511. The next prime is 116839523. The reversal of 116839513 is 315938611.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 315938611 = 1193 ⋅264827.

It is a cyclic number.

It is not a de Polignac number, because 116839513 - 2¹ = 116839511 is a prime.

It is not an unprimeable number, because it can be changed into a prime (116839511) 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, 8345673 + ... + 8345686.

It is an arithmetic number, because the mean of its divisors is an integer number (33382720).

Almost surely, 2^116839513 is an apocalyptic number.

It is an amenable number.

116839513 is a deficient number, since it is larger than the sum of its proper divisors (16691367).

116839513 is an equidigital number, since it uses as much as digits as its factorization.

116839513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16691366.

The product of its digits is 19440, while the sum is 37.

The square root of 116839513 is about 10809.2327664825. The cubic root of 116839513 is about 488.8735933709.

The spelling of 116839513 in words is "one hundred sixteen million, eight hundred thirty-nine thousand, five hundred thirteen".