113847919 has 2 divisors, whose sum is σ = 113847920. Its totient is φ = 113847918.

The previous prime is 113847917. The next prime is 113847947. The reversal of 113847919 is 919748311.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 113847919 - 2¹ = 113847917 is a prime.

It is a super-2 number, since 2×113847919² = 25922697321261122, which contains 22 as substring.

Together with 113847917, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113847911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56923959 + 56923960.

It is an arithmetic number, because the mean of its divisors is an integer number (56923960).

Almost surely, 2^113847919 is an apocalyptic number.

113847919 is a deficient number, since it is larger than the sum of its proper divisors (1).

113847919 is an equidigital number, since it uses as much as digits as its factorization.

113847919 is an evil number, because the sum of its binary digits is even.

The product of its digits is 54432, while the sum is 43.

The square root of 113847919 is about 10669.9540298916. The cubic root of 113847919 is about 484.6650452323.

The spelling of 113847919 in words is "one hundred thirteen million, eight hundred forty-seven thousand, nine hundred nineteen".