130032405 has 32 divisors (see below), whose sum is σ = 244771200. Its totient is φ = 65270016.

The previous prime is 130032403. The next prime is 130032421. The reversal of 130032405 is 504230031.

It is not a de Polignac number, because 130032405 - 2¹ = 130032403 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130032403) 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 31 ways as a sum of consecutive naturals, for example, 26035 + ... + 30624.

It is an arithmetic number, because the mean of its divisors is an integer number (7649100).

Almost surely, 2^130032405 is an apocalyptic number.

130032405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

130032405 is a deficient number, since it is larger than the sum of its proper divisors (114738795).

130032405 is a wasteful number, since it uses less digits than its factorization.

130032405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56690 (or 56684 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 130032405 is about 11403.1752157020. The cubic root of 130032405 is about 506.6217899907.

Adding to 130032405 its reverse (504230031), we get a palindrome (634262436).

The spelling of 130032405 in words is "one hundred thirty million, thirty-two thousand, four hundred five".