130394609 has 2 divisors, whose sum is σ = 130394610. Its totient is φ = 130394608.

The previous prime is 130394603. The next prime is 130394617. The reversal of 130394609 is 906493031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 114554209 + 15840400 = 10703^2 + 3980^2 .

It is a cyclic number.

It is not a de Polignac number, because 130394609 - 2²⁴ = 113617393 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (130394603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65197304 + 65197305.

It is an arithmetic number, because the mean of its divisors is an integer number (65197305).

Almost surely, 2^130394609 is an apocalyptic number.

It is an amenable number.

130394609 is a deficient number, since it is larger than the sum of its proper divisors (1).

130394609 is an equidigital number, since it uses as much as digits as its factorization.

130394609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17496, while the sum is 35.

The square root of 130394609 is about 11419.0458883394. The cubic root of 130394609 is about 507.0917505938.

The spelling of 130394609 in words is "one hundred thirty million, three hundred ninety-four thousand, six hundred nine".