113660819 has 2 divisors, whose sum is σ = 113660820. Its totient is φ = 113660818.

The previous prime is 113660797. The next prime is 113660821. The reversal of 113660819 is 918066311.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 113660819 - 2¹⁶ = 113595283 is a prime.

It is a super-2 number, since 2×113660819² = 25837563551501522, which contains 22 as substring.

Together with 113660821, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (113660879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56830409 + 56830410.

It is an arithmetic number, because the mean of its divisors is an integer number (56830410).

Almost surely, 2^113660819 is an apocalyptic number.

113660819 is a deficient number, since it is larger than the sum of its proper divisors (1).

113660819 is an equidigital number, since it uses as much as digits as its factorization.

113660819 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 35.

The square root of 113660819 is about 10661.1828143035. The cubic root of 113660819 is about 484.3993968371.

The spelling of 113660819 in words is "one hundred thirteen million, six hundred sixty thousand, eight hundred nineteen".