130421591 has 2 divisors, whose sum is σ = 130421592. Its totient is φ = 130421590.

The previous prime is 130421573. The next prime is 130421593. The reversal of 130421591 is 195124031.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 130421591 - 2⁶ = 130421527 is a prime.

It is a Sophie Germain prime.

Together with 130421593, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 130421591.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130421593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65210795 + 65210796.

It is an arithmetic number, because the mean of its divisors is an integer number (65210796).

Almost surely, 2^130421591 is an apocalyptic number.

130421591 is a deficient number, since it is larger than the sum of its proper divisors (1).

130421591 is an equidigital number, since it uses as much as digits as its factorization.

130421591 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 130421591 is about 11420.2272744460. The cubic root of 130421591 is about 507.1267249589.

The spelling of 130421591 in words is "one hundred thirty million, four hundred twenty-one thousand, five hundred ninety-one".