113672309 has 2 divisors, whose sum is σ = 113672310. Its totient is φ = 113672308.

The previous prime is 113672303. The next prime is 113672323. The reversal of 113672309 is 903276311.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 103591684 + 10080625 = 10178^2 + 3175^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113672309 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113672303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56836154 + 56836155.

It is an arithmetic number, because the mean of its divisors is an integer number (56836155).

Almost surely, 2^113672309 is an apocalyptic number.

It is an amenable number.

113672309 is a deficient number, since it is larger than the sum of its proper divisors (1).

113672309 is an equidigital number, since it uses as much as digits as its factorization.

113672309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6804, while the sum is 32.

The square root of 113672309 is about 10661.7216714750. The cubic root of 113672309 is about 484.4157189716.

The spelling of 113672309 in words is "one hundred thirteen million, six hundred seventy-two thousand, three hundred nine".