130232391 has 8 divisors (see below), whose sum is σ = 173900160. Its totient is φ = 86693112.

The previous prime is 130232357. The next prime is 130232447. The reversal of 130232391 is 193232031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 130232391 - 2⁹ = 130231879 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130232351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29731 + ... + 33828.

It is an arithmetic number, because the mean of its divisors is an integer number (21737520).

Almost surely, 2^130232391 is an apocalyptic number.

130232391 is a deficient number, since it is larger than the sum of its proper divisors (43667769).

130232391 is an equidigital number, since it uses as much as digits as its factorization.

130232391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64245.

The product of its (nonzero) digits is 972, while the sum is 24.

The square root of 130232391 is about 11411.9407201405. The cubic root of 130232391 is about 506.8813800743.

The spelling of 130232391 in words is "one hundred thirty million, two hundred thirty-two thousand, three hundred ninety-one".