130306664 has 8 divisors (see below), whose sum is σ = 244325010. Its totient is φ = 65153328.

The previous prime is 130306621. The next prime is 130306667. The reversal of 130306664 is 466603031.

It can be written as a sum of positive squares in only one way, i.e., 129732100 + 574564 = 11390^2 + 758^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (130306667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8144159 + ... + 8144174.

Almost surely, 2^130306664 is an apocalyptic number.

It is an amenable number.

130306664 is a deficient number, since it is larger than the sum of its proper divisors (114018346).

130306664 is a wasteful number, since it uses less digits than its factorization.

130306664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16288339 (or 16288335 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 29.

The square root of 130306664 is about 11415.1944354882. The cubic root of 130306664 is about 506.9777218158.

Adding to 130306664 its reverse (466603031), we get a palindrome (596909695).

The spelling of 130306664 in words is "one hundred thirty million, three hundred six thousand, six hundred sixty-four".