130390999 has 4 divisors (see below), whose sum is σ = 130975936. Its totient is φ = 129806064.

The previous prime is 130390973. The next prime is 130391011. The reversal of 130390999 is 999093031.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-130390999 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 (130390199) 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, 292134 + ... + 292579.

It is an arithmetic number, because the mean of its divisors is an integer number (32743984).

Almost surely, 2^130390999 is an apocalyptic number.

130390999 is a deficient number, since it is larger than the sum of its proper divisors (584937).

130390999 is an equidigital number, since it uses as much as digits as its factorization.

130390999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 584936.

The product of its (nonzero) digits is 59049, while the sum is 43.

The square root of 130390999 is about 11418.8878179970. The cubic root of 130390999 is about 507.0870709062.

The spelling of 130390999 in words is "one hundred thirty million, three hundred ninety thousand, nine hundred ninety-nine".