116913 has 4 divisors (see below), whose sum is σ = 155888. Its totient is φ = 77940.

The previous prime is 116911. The next prime is 116923. The reversal of 116913 is 319611.

It is a happy number.

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: 319611 = 3 ⋅106537.

It is not a de Polignac number, because 116913 - 2¹ = 116911 is a prime.

It is a D-number.

It is a Duffinian number.

116913 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 116913.

It is not an unprimeable number, because it can be changed into a prime (116911) 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, 19483 + ... + 19488.

It is an arithmetic number, because the mean of its divisors is an integer number (38972).

2¹¹⁶⁹¹³ is an apocalyptic number.

It is an amenable number.

116913 is a deficient number, since it is larger than the sum of its proper divisors (38975).

116913 is an equidigital number, since it uses as much as digits as its factorization.

116913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38974.

The product of its digits is 162, while the sum is 21.

The square root of 116913 is about 341.9254304669. The cubic root of 116913 is about 48.8976065339.

The spelling of 116913 in words is "one hundred sixteen thousand, nine hundred thirteen".