116819013 has 4 divisors (see below), whose sum is σ = 155758688. Its totient is φ = 77879340.

The previous prime is 116819009. The next prime is 116819023. The reversal of 116819013 is 310918611.

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: 310918611 = 3 ⋅103639537.

It is not a de Polignac number, because 116819013 - 2² = 116819009 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 (116819023) 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 3 ways as a sum of consecutive naturals, for example, 19469833 + ... + 19469838.

It is an arithmetic number, because the mean of its divisors is an integer number (38939672).

Almost surely, 2^116819013 is an apocalyptic number.

It is an amenable number.

116819013 is a deficient number, since it is larger than the sum of its proper divisors (38939675).

116819013 is an equidigital number, since it uses as much as digits as its factorization.

116819013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38939674.

The product of its (nonzero) digits is 1296, while the sum is 30.

The square root of 116819013 is about 10808.2844614675. The cubic root of 116819013 is about 488.8450000335.

The spelling of 116819013 in words is "one hundred sixteen million, eight hundred nineteen thousand, thirteen".