130256680 has 16 divisors (see below), whose sum is σ = 293077620. Its totient is φ = 52102656.

The previous prime is 130256653. The next prime is 130256681. The reversal of 130256680 is 86652031.

It can be written as a sum of positive squares in 2 ways, for example, as 125753796 + 4502884 = 11214^2 + 2122^2 .

It is not an unprimeable number, because it can be changed into a prime (130256681) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1628169 + ... + 1628248.

Almost surely, 2^130256680 is an apocalyptic number.

130256680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130256680 is an abundant number, since it is smaller than the sum of its proper divisors (162820940).

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

130256680 is a wasteful number, since it uses less digits than its factorization.

130256680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3256428 (or 3256424 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 130256680 is about 11413.0048628746. The cubic root of 130256680 is about 506.9128900963.

The spelling of 130256680 in words is "one hundred thirty million, two hundred fifty-six thousand, six hundred eighty".