130432305 has 16 divisors (see below), whose sum is σ = 208877184. Its totient is φ = 69502080.

The previous prime is 130432297. The next prime is 130432331. The reversal of 130432305 is 503234031.

It is not a de Polignac number, because 130432305 - 2³ = 130432297 is a prime.

It is a super-2 number, since 2×130432305² = 34025172375226050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17325 + ... + 23685.

It is an arithmetic number, because the mean of its divisors is an integer number (13054824).

Almost surely, 2^130432305 is an apocalyptic number.

130432305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

130432305 is a deficient number, since it is larger than the sum of its proper divisors (78444879).

130432305 is a wasteful number, since it uses less digits than its factorization.

130432305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7736.

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 130432305 is about 11420.6963447944. The cubic root of 130432305 is about 507.1406112255.

Adding to 130432305 its reverse (503234031), we get a palindrome (633666336).

The spelling of 130432305 in words is "one hundred thirty million, four hundred thirty-two thousand, three hundred five".