130130306 has 4 divisors (see below), whose sum is σ = 195195462. Its totient is φ = 65065152.

The previous prime is 130130243. The next prime is 130130309. The reversal of 130130306 is 603031031.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 73805281 + 56325025 = 8591^2 + 7505^2 .

It is not an unprimeable number, because it can be changed into a prime (130130309) 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 as a sum of consecutive naturals, namely, 32532575 + ... + 32532578.

Almost surely, 2^130130306 is an apocalyptic number.

130130306 is a deficient number, since it is larger than the sum of its proper divisors (65065156).

130130306 is an equidigital number, since it uses as much as digits as its factorization.

130130306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65065155.

The product of its (nonzero) digits is 162, while the sum is 17.

The square root of 130130306 is about 11407.4671158851. The cubic root of 130130306 is about 506.7489027605.

Adding to 130130306 its reverse (603031031), we get a palindrome (733161337).

The spelling of 130130306 in words is "one hundred thirty million, one hundred thirty thousand, three hundred six".