130412656 has 80 divisors (see below), whose sum is σ = 295516800. Its totient is φ = 55123200.

The previous prime is 130412651. The next prime is 130412683. The reversal of 130412656 is 656214031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130412651) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 196966 + ... + 197626.

It is an arithmetic number, because the mean of its divisors is an integer number (3693960).

Almost surely, 2^130412656 is an apocalyptic number.

130412656 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 130412656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (147758400).

130412656 is an abundant number, since it is smaller than the sum of its proper divisors (165104144).

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

130412656 is a wasteful number, since it uses less digits than its factorization.

130412656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 758 (or 752 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 130412656 is about 11419.8360758813. The cubic root of 130412656 is about 507.1151438479.

Adding to 130412656 its reverse (656214031), we get a palindrome (786626687).

The spelling of 130412656 in words is "one hundred thirty million, four hundred twelve thousand, six hundred fifty-six".