130561919 has 2 divisors, whose sum is σ = 130561920. Its totient is φ = 130561918.

The previous prime is 130561913. The next prime is 130561927. The reversal of 130561919 is 919165031.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 130561919 - 2⁸ = 130561663 is a prime.

It is a super-2 number, since 2×130561919² = 34092829385925122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130561913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65280959 + 65280960.

It is an arithmetic number, because the mean of its divisors is an integer number (65280960).

Almost surely, 2^130561919 is an apocalyptic number.

130561919 is a deficient number, since it is larger than the sum of its proper divisors (1).

130561919 is an equidigital number, since it uses as much as digits as its factorization.

130561919 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7290, while the sum is 35.

The square root of 130561919 is about 11426.3694584063. The cubic root of 130561919 is about 507.3085419178.

The spelling of 130561919 in words is "one hundred thirty million, five hundred sixty-one thousand, nine hundred nineteen".