130605560 has 128 divisors (see below), whose sum is σ = 332424000. Its totient is φ = 45932544.

The previous prime is 130605547. The next prime is 130605571. The reversal of 130605560 is 65506031.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 729551 + ... + 729729.

Almost surely, 2^130605560 is an apocalyptic number.

130605560 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 130605560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (166212000).

130605560 is an abundant number, since it is smaller than the sum of its proper divisors (201818440).

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

130605560 is a wasteful number, since it uses less digits than its factorization.

130605560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273 (or 269 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 26.

The square root of 130605560 is about 11428.2789605434. The cubic root of 130605560 is about 507.3650591268.

The spelling of 130605560 in words is "one hundred thirty million, six hundred five thousand, five hundred sixty".