130432505 has 32 divisors (see below), whose sum is σ = 182966784. Its totient is φ = 87422976.

The previous prime is 130432499. The next prime is 130432507. The reversal of 130432505 is 505234031.

It is a cyclic number.

It is not a de Polignac number, because 130432505 - 2⁸ = 130432249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (130432507) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 349499 + ... + 349871.

It is an arithmetic number, because the mean of its divisors is an integer number (5717712).

Almost surely, 2^130432505 is an apocalyptic number.

It is an amenable number.

130432505 is a deficient number, since it is larger than the sum of its proper divisors (52534279).

130432505 is a wasteful number, since it uses less digits than its factorization.

130432505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 585.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 130432505 is about 11420.7051008246. The cubic root of 130432505 is about 507.1408704355.

Adding to 130432505 its reverse (505234031), we get a palindrome (635666536).

The spelling of 130432505 in words is "one hundred thirty million, four hundred thirty-two thousand, five hundred five".