34146209 has 2 divisors, whose sum is σ = 34146210. Its totient is φ = 34146208.

The previous prime is 34146199. The next prime is 34146223. The reversal of 34146209 is 90264143.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33965584 + 180625 = 5828^2 + 425^2 .

It is an emirp because it is prime and its reverse (90264143) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 34146209 - 2⁸ = 34145953 is a prime.

It is not a weakly prime, because it can be changed into another prime (34146239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17073104 + 17073105.

It is an arithmetic number, because the mean of its divisors is an integer number (17073105).

Almost surely, 2^34146209 is an apocalyptic number.

It is an amenable number.

34146209 is a deficient number, since it is larger than the sum of its proper divisors (1).

34146209 is an equidigital number, since it uses as much as digits as its factorization.

34146209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 34146209 is about 5843.4757636188. The cubic root of 34146209 is about 324.4248890142.

The spelling of 34146209 in words is "thirty-four million, one hundred forty-six thousand, two hundred nine".