113719 has 2 divisors, whose sum is σ = 113720. Its totient is φ = 113718.

The previous prime is 113717. The next prime is 113723. The reversal of 113719 is 917311.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 113719 - 2¹ = 113717 is a prime.

It is a super-2 number, since 2×113719² = 25864021922, which contains 22 as substring.

Together with 113717, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 113719.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56859 + 56860.

It is an arithmetic number, because the mean of its divisors is an integer number (56860).

2¹¹³⁷¹⁹ is an apocalyptic number.

113719 is a deficient number, since it is larger than the sum of its proper divisors (1).

113719 is an equidigital number, since it uses as much as digits as its factorization.

113719 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 189, while the sum is 22.

The square root of 113719 is about 337.2224784916. Note that the first 3 decimals coincide. The cubic root of 113719 is about 48.4482034619.

It can be divided in two parts, 1137 and 19, that added together give a square (1156 = 34²).

The spelling of 113719 in words is "one hundred thirteen thousand, seven hundred nineteen".