130309391 has 8 divisors (see below), whose sum is σ = 138428400. Its totient is φ = 122316480.

The previous prime is 130309373. The next prime is 130309397. The reversal of 130309391 is 193903031.

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

It is a cyclic number.

It is not a de Polignac number, because 130309391 - 2⁶ = 130309327 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130309397) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29390 + ... + 33531.

It is an arithmetic number, because the mean of its divisors is an integer number (17303550).

Almost surely, 2^130309391 is an apocalyptic number.

130309391 is a deficient number, since it is larger than the sum of its proper divisors (8119009).

130309391 is a wasteful number, since it uses less digits than its factorization.

130309391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63049.

The product of its (nonzero) digits is 2187, while the sum is 29.

The square root of 130309391 is about 11415.3138809233. The cubic root of 130309391 is about 506.9812583927.

The spelling of 130309391 in words is "one hundred thirty million, three hundred nine thousand, three hundred ninety-one".