130956656640 has 352 divisors, whose sum is σ = 439697172096. Its totient is φ = 33218887680.

The previous prime is 130956656639. The next prime is 130956656659. The reversal of 130956656640 is 46656659031.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 723517350 + ... + 723517530.

Almost surely, 2^130956656640 is an apocalyptic number.

130956656640 is a gapful number since it is divisible by the number (10) 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 130956656640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (219848586048).

130956656640 is an abundant number, since it is smaller than the sum of its proper divisors (308740515456).

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

130956656640 is an frugal number, since it uses more digits than its factorization.

130956656640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254 (or 214 counting only the distinct ones).

The product of its (nonzero) digits is 3499200, while the sum is 51.

The spelling of 130956656640 in words is "one hundred thirty billion, nine hundred fifty-six million, six hundred fifty-six thousand, six hundred forty".