130305346 has 4 divisors (see below), whose sum is σ = 195458022. Its totient is φ = 65152672.

The previous prime is 130305341. The next prime is 130305347. The reversal of 130305346 is 643503031.

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., 100220121 + 30085225 = 10011^2 + 5485^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 130305346.

It is not an unprimeable number, because it can be changed into a prime (130305341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32576335 + ... + 32576338.

Almost surely, 2^130305346 is an apocalyptic number.

130305346 is a deficient number, since it is larger than the sum of its proper divisors (65152676).

130305346 is an equidigital number, since it uses as much as digits as its factorization.

130305346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65152675.

The product of its (nonzero) digits is 3240, while the sum is 25.

The square root of 130305346 is about 11415.1367052699. The cubic root of 130305346 is about 506.9760125175.

Adding to 130305346 its reverse (643503031), we get a palindrome (773808377).

The spelling of 130305346 in words is "one hundred thirty million, three hundred five thousand, three hundred forty-six".