130032306 has 24 divisors (see below), whose sum is σ = 282666384. Its totient is φ = 43201080.

The previous prime is 130032299. The next prime is 130032323. The reversal of 130032306 is 603230031.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 6240 + ... + 17291.

It is an arithmetic number, because the mean of its divisors is an integer number (11777766).

Almost surely, 2^130032306 is an apocalyptic number.

130032306 is an abundant number, since it is smaller than the sum of its proper divisors (152634078).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

130032306 is a wasteful number, since it uses less digits than its factorization.

130032306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23846 (or 23843 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 130032306 is about 11403.1708748050. The cubic root of 130032306 is about 506.6216614188.

Adding to 130032306 its reverse (603230031), we get a palindrome (733262337).

It can be divided in two parts, 13003230 and 6, that added together give a square (13003236 = 3606²).

The spelling of 130032306 in words is "one hundred thirty million, thirty-two thousand, three hundred six".