1304134309 has 2 divisors, whose sum is σ = 1304134310. Its totient is φ = 1304134308.

The previous prime is 1304134303. The next prime is 1304134343. The reversal of 1304134309 is 9034314031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1301622084 + 2512225 = 36078^2 + 1585^2 .

It is a cyclic number.

It is not a de Polignac number, because 1304134309 - 2⁹ = 1304133797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1304134303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 652067154 + 652067155.

It is an arithmetic number, because the mean of its divisors is an integer number (652067155).

Almost surely, 2^1304134309 is an apocalyptic number.

It is an amenable number.

1304134309 is a deficient number, since it is larger than the sum of its proper divisors (1).

1304134309 is an equidigital number, since it uses as much as digits as its factorization.

1304134309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 1304134309 is about 36112.7997945327. The cubic root of 1304134309 is about 1092.5486216790.

The spelling of 1304134309 in words is "one billion, three hundred four million, one hundred thirty-four thousand, three hundred nine".