130504305 has 8 divisors (see below), whose sum is σ = 208806912. Its totient is φ = 69602288.

The previous prime is 130504279. The next prime is 130504307. The reversal of 130504305 is 503405031.

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

It is a cyclic number.

It is not a de Polignac number, because 130504305 - 2¹⁷ = 130373233 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (130504307) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4350129 + ... + 4350158.

It is an arithmetic number, because the mean of its divisors is an integer number (26100864).

Almost surely, 2^130504305 is an apocalyptic number.

130504305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

130504305 is a deficient number, since it is larger than the sum of its proper divisors (78302607).

130504305 is an equidigital number, since it uses as much as digits as its factorization.

130504305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8700295.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 130504305 is about 11423.8480819731. The cubic root of 130504305 is about 507.2339097054.

Adding to 130504305 its reverse (503405031), we get a palindrome (633909336).

The spelling of 130504305 in words is "one hundred thirty million, five hundred four thousand, three hundred five".