130516409 has 2 divisors, whose sum is σ = 130516410. Its totient is φ = 130516408.

The previous prime is 130516403. The next prime is 130516423. The reversal of 130516409 is 904615031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 109098025 + 21418384 = 10445^2 + 4628^2 .

It is a cyclic number.

It is not a de Polignac number, because 130516409 - 2¹² = 130512313 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (130516403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65258204 + 65258205.

It is an arithmetic number, because the mean of its divisors is an integer number (65258205).

Almost surely, 2^130516409 is an apocalyptic number.

It is an amenable number.

130516409 is a deficient number, since it is larger than the sum of its proper divisors (1).

130516409 is an equidigital number, since it uses as much as digits as its factorization.

130516409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 130516409 is about 11424.3778386396. The cubic root of 130516409 is about 507.2495908470.

The spelling of 130516409 in words is "one hundred thirty million, five hundred sixteen thousand, four hundred nine".