115734209 has 2 divisors, whose sum is σ = 115734210. Its totient is φ = 115734208.

The previous prime is 115734169. The next prime is 115734217. The reversal of 115734209 is 902437511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 104611984 + 11122225 = 10228^2 + 3335^2 .

It is a cyclic number.

It is not a de Polignac number, because 115734209 - 2¹² = 115730113 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (115734299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57867104 + 57867105.

It is an arithmetic number, because the mean of its divisors is an integer number (57867105).

Almost surely, 2^115734209 is an apocalyptic number.

It is an amenable number.

115734209 is a deficient number, since it is larger than the sum of its proper divisors (1).

115734209 is an equidigital number, since it uses as much as digits as its factorization.

115734209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 115734209 is about 10757.9835006380. The cubic root of 115734209 is about 487.3271220453.

The spelling of 115734209 in words is "one hundred fifteen million, seven hundred thirty-four thousand, two hundred nine".