130909591 has 2 divisors, whose sum is σ = 130909592. Its totient is φ = 130909590.

The previous prime is 130909577. The next prime is 130909609. The reversal of 130909591 is 195909031.

It is a weak prime.

It is an emirp because it is prime and its reverse (195909031) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 130909591 - 2¹⁷ = 130778519 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 130909591.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130909511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65454795 + 65454796.

It is an arithmetic number, because the mean of its divisors is an integer number (65454796).

Almost surely, 2^130909591 is an apocalyptic number.

130909591 is a deficient number, since it is larger than the sum of its proper divisors (1).

130909591 is an equidigital number, since it uses as much as digits as its factorization.

130909591 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10935, while the sum is 37.

The square root of 130909591 is about 11441.5729250833. The cubic root of 130909591 is about 507.7584450505.

The spelling of 130909591 in words is "one hundred thirty million, nine hundred nine thousand, five hundred ninety-one".