107816309 has 2 divisors, whose sum is σ = 107816310. Its totient is φ = 107816308.

The previous prime is 107816243. The next prime is 107816321. The reversal of 107816309 is 903618701.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 66471409 + 41344900 = 8153^2 + 6430^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-107816309 is a prime.

It is a Chen prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (107816339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53908154 + 53908155.

It is an arithmetic number, because the mean of its divisors is an integer number (53908155).

Almost surely, 2^107816309 is an apocalyptic number.

It is an amenable number.

107816309 is a deficient number, since it is larger than the sum of its proper divisors (1).

107816309 is an equidigital number, since it uses as much as digits as its factorization.

107816309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 107816309 is about 10383.4632469133. The cubic root of 107816309 is about 475.9501704423.

The spelling of 107816309 in words is "one hundred seven million, eight hundred sixteen thousand, three hundred nine".