130504306 has 4 divisors (see below), whose sum is σ = 195756462. Its totient is φ = 65252152.

The previous prime is 130504279. The next prime is 130504307. The reversal of 130504306 is 603405031.

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., 101828281 + 28676025 = 10091^2 + 5355^2 .

It is not an unprimeable number, because it can be changed into a prime (130504307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32626075 + ... + 32626078.

Almost surely, 2^130504306 is an apocalyptic number.

130504306 is a deficient number, since it is larger than the sum of its proper divisors (65252156).

130504306 is an equidigital number, since it uses as much as digits as its factorization.

130504306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65252155.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 130504306 is about 11423.8481257412. The cubic root of 130504306 is about 507.2339110010.

Adding to 130504306 its reverse (603405031), we get a palindrome (733909337).

The spelling of 130504306 in words is "one hundred thirty million, five hundred four thousand, three hundred six".