113896309 has 2 divisors, whose sum is σ = 113896310. Its totient is φ = 113896308.

The previous prime is 113896303. The next prime is 113896313. The reversal of 113896309 is 903698311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 111894084 + 2002225 = 10578^2 + 1415^2 .

It is a cyclic number.

It is not a de Polignac number, because 113896309 - 2³ = 113896301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113896301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56948154 + 56948155.

It is an arithmetic number, because the mean of its divisors is an integer number (56948155).

Almost surely, 2^113896309 is an apocalyptic number.

It is an amenable number.

113896309 is a deficient number, since it is larger than the sum of its proper divisors (1).

113896309 is an equidigital number, since it uses as much as digits as its factorization.

113896309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34992, while the sum is 40.

The square root of 113896309 is about 10672.2213713922. The cubic root of 113896309 is about 484.7337029636.

The spelling of 113896309 in words is "one hundred thirteen million, eight hundred ninety-six thousand, three hundred nine".