113815019 has 2 divisors, whose sum is σ = 113815020. Its totient is φ = 113815018.

The previous prime is 113815003. The next prime is 113815033. The reversal of 113815019 is 910518311.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 113815019 - 2⁴ = 113815003 is a prime.

It is a super-2 number, since 2×113815019² = 25907717099940722, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 113814982 and 113815000.

It is not a weakly prime, because it can be changed into another prime (113815099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56907509 + 56907510.

It is an arithmetic number, because the mean of its divisors is an integer number (56907510).

Almost surely, 2^113815019 is an apocalyptic number.

113815019 is a deficient number, since it is larger than the sum of its proper divisors (1).

113815019 is an equidigital number, since it uses as much as digits as its factorization.

113815019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 29.

The square root of 113815019 is about 10668.4122061345. The cubic root of 113815019 is about 484.6183542421.

The spelling of 113815019 in words is "one hundred thirteen million, eight hundred fifteen thousand, nineteen".