130221264 has 20 divisors (see below), whose sum is σ = 336405056. Its totient is φ = 43407072.

The previous prime is 130221233. The next prime is 130221271. The reversal of 130221264 is 462122031.

It is a self number, because there is not a number n which added to its sum of digits gives 130221264.

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 1356424 + ... + 1356519.

Almost surely, 2^130221264 is an apocalyptic number.

It is an amenable number.

130221264 is an abundant number, since it is smaller than the sum of its proper divisors (206183792).

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

130221264 is a wasteful number, since it uses less digits than its factorization.

130221264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2712954 (or 2712948 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 130221264 is about 11411.4531940503. The cubic root of 130221264 is about 506.8669437534.

Adding to 130221264 its reverse (462122031), we get a palindrome (592343295).

The spelling of 130221264 in words is "one hundred thirty million, two hundred twenty-one thousand, two hundred sixty-four".