130656391 has 2 divisors, whose sum is σ = 130656392. Its totient is φ = 130656390.

The previous prime is 130656389. The next prime is 130656431. The reversal of 130656391 is 193656031.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 130656391 - 2¹ = 130656389 is a prime.

Together with 130656389, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130656301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65328195 + 65328196.

It is an arithmetic number, because the mean of its divisors is an integer number (65328196).

Almost surely, 2^130656391 is an apocalyptic number.

130656391 is a deficient number, since it is larger than the sum of its proper divisors (1).

130656391 is an equidigital number, since it uses as much as digits as its factorization.

130656391 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14580, while the sum is 34.

The square root of 130656391 is about 11430.5026573638. The cubic root of 130656391 is about 507.4308718643.

The spelling of 130656391 in words is "one hundred thirty million, six hundred fifty-six thousand, three hundred ninety-one".