130630656 has 88 divisors (see below), whose sum is σ = 375075904. Its totient is φ = 40181760.

The previous prime is 130630651. The next prime is 130630663. The reversal of 130630656 is 656036031.

It is not an unprimeable number, because it can be changed into a prime (130630651) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38301 + ... + 41571.

Almost surely, 2^130630656 is an apocalyptic number.

130630656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 130630656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (187537952).

130630656 is an abundant number, since it is smaller than the sum of its proper divisors (244445248).

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

130630656 is a wasteful number, since it uses less digits than its factorization.

130630656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3307 (or 3289 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 30.

The square root of 130630656 is about 11429.3768859024. The cubic root of 130630656 is about 507.3975539611.

Adding to 130630656 its reverse (656036031), we get a palindrome (786666687).

The spelling of 130630656 in words is "one hundred thirty million, six hundred thirty thousand, six hundred fifty-six".