113679919 has 2 divisors, whose sum is σ = 113679920. Its totient is φ = 113679918.

The previous prime is 113679889. The next prime is 113679931. The reversal of 113679919 is 919976311.

It is a strong prime.

It is an emirp because it is prime and its reverse (919976311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 113679919 - 2⁹ = 113679407 is a prime.

It is a super-2 number, since 2×113679919² = 25846247967693122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113679959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56839959 + 56839960.

It is an arithmetic number, because the mean of its divisors is an integer number (56839960).

Almost surely, 2^113679919 is an apocalyptic number.

113679919 is a deficient number, since it is larger than the sum of its proper divisors (1).

113679919 is an equidigital number, since it uses as much as digits as its factorization.

113679919 is an evil number, because the sum of its binary digits is even.

The product of its digits is 91854, while the sum is 46.

The square root of 113679919 is about 10662.0785497013. The cubic root of 113679919 is about 484.4265287616.

The spelling of 113679919 in words is "one hundred thirteen million, six hundred seventy-nine thousand, nine hundred nineteen".