130903993 has 8 divisors (see below), whose sum is σ = 142931520. Its totient is φ = 118897680.

The previous prime is 130903937. The next prime is 130904009. The reversal of 130903993 is 399309031.

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

It is not a de Polignac number, because 130903993 - 2¹⁷ = 130772921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130903933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9388 + ... + 18706.

It is an arithmetic number, because the mean of its divisors is an integer number (17866440).

Almost surely, 2^130903993 is an apocalyptic number.

It is an amenable number.

130903993 is a deficient number, since it is larger than the sum of its proper divisors (12027527).

130903993 is a wasteful number, since it uses less digits than its factorization.

130903993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10607.

The product of its (nonzero) digits is 19683, while the sum is 37.

The square root of 130903993 is about 11441.3282882714. The cubic root of 130903993 is about 507.7512073015.

The spelling of 130903993 in words is "one hundred thirty million, nine hundred three thousand, nine hundred ninety-three".