130912891 has 2 divisors, whose sum is σ = 130912892. Its totient is φ = 130912890.

The previous prime is 130912883. The next prime is 130912913. The reversal of 130912891 is 198219031.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 130912891 - 2³ = 130912883 is a prime.

It is not a weakly prime, because it can be changed into another prime (130912811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65456445 + 65456446.

It is an arithmetic number, because the mean of its divisors is an integer number (65456446).

Almost surely, 2^130912891 is an apocalyptic number.

130912891 is a deficient number, since it is larger than the sum of its proper divisors (1).

130912891 is an equidigital number, since it uses as much as digits as its factorization.

130912891 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 34.

The square root of 130912891 is about 11441.7171351157. The cubic root of 130912891 is about 507.7627115797.

The spelling of 130912891 in words is "one hundred thirty million, nine hundred twelve thousand, eight hundred ninety-one".