130304073 has 4 divisors (see below), whose sum is σ = 173738768. Its totient is φ = 86869380.

The previous prime is 130304063. The next prime is 130304081. The reversal of 130304073 is 370403031.

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 not a de Polignac number, because 130304073 - 2²¹ = 128206921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130304063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21717343 + ... + 21717348.

It is an arithmetic number, because the mean of its divisors is an integer number (43434692).

Almost surely, 2^130304073 is an apocalyptic number.

It is an amenable number.

130304073 is a deficient number, since it is larger than the sum of its proper divisors (43434695).

130304073 is an equidigital number, since it uses as much as digits as its factorization.

130304073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43434694.

The product of its (nonzero) digits is 756, while the sum is 21.

The square root of 130304073 is about 11415.0809458365. The cubic root of 130304073 is about 506.9743615682.

The spelling of 130304073 in words is "one hundred thirty million, three hundred four thousand, seventy-three".