130318973 has 4 divisors (see below), whose sum is σ = 130694880. Its totient is φ = 129943068.

The previous prime is 130318963. The next prime is 130319027. The reversal of 130318973 is 379813031.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 130318973 - 2⁸ = 130318717 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 (130318913) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 187433 + ... + 188126.

It is an arithmetic number, because the mean of its divisors is an integer number (32673720).

Almost surely, 2^130318973 is an apocalyptic number.

It is an amenable number.

130318973 is a deficient number, since it is larger than the sum of its proper divisors (375907).

130318973 is an equidigital number, since it uses as much as digits as its factorization.

130318973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375906.

The product of its (nonzero) digits is 13608, while the sum is 35.

The square root of 130318973 is about 11415.7335725743. The cubic root of 130318973 is about 506.9936846533.

The spelling of 130318973 in words is "one hundred thirty million, three hundred eighteen thousand, nine hundred seventy-three".