130181591 has 2 divisors, whose sum is σ = 130181592. Its totient is φ = 130181590.

The previous prime is 130181567. The next prime is 130181629. The reversal of 130181591 is 195181031.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 130181591 - 2²² = 125987287 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130181531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65090795 + 65090796.

It is an arithmetic number, because the mean of its divisors is an integer number (65090796).

Almost surely, 2^130181591 is an apocalyptic number.

130181591 is a deficient number, since it is larger than the sum of its proper divisors (1).

130181591 is an equidigital number, since it uses as much as digits as its factorization.

130181591 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 29.

The square root of 130181591 is about 11409.7147641823. The cubic root of 130181591 is about 506.8154647704.

The spelling of 130181591 in words is "one hundred thirty million, one hundred eighty-one thousand, five hundred ninety-one".