130382921 has 4 divisors (see below), whose sum is σ = 137245200. Its totient is φ = 123520644.

The previous prime is 130382893. The next prime is 130382933. The reversal of 130382921 is 129283031.

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 a de Polignac number, because none of the positive numbers 2^k-130382921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130382951) 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, 3431111 + ... + 3431148.

It is an arithmetic number, because the mean of its divisors is an integer number (34311300).

Almost surely, 2^130382921 is an apocalyptic number.

It is an amenable number.

130382921 is a deficient number, since it is larger than the sum of its proper divisors (6862279).

130382921 is an equidigital number, since it uses as much as digits as its factorization.

130382921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6862278.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 130382921 is about 11418.5341003125. The cubic root of 130382921 is about 507.0765989821.

The spelling of 130382921 in words is "one hundred thirty million, three hundred eighty-two thousand, nine hundred twenty-one".