130621685180 has 96 divisors (see below), whose sum is σ = 332454471552. Its totient is φ = 42083942400.

The previous prime is 130621685143. The next prime is 130621685213. The reversal of 130621685180 is 81586126031.

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, 1482770 + ... + 1568390.

It is an arithmetic number, because the mean of its divisors is an integer number (3463067412).

Almost surely, 2^130621685180 is an apocalyptic number.

130621685180 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 130621685180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (166227235776).

130621685180 is an abundant number, since it is smaller than the sum of its proper divisors (201832786372).

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

130621685180 is a wasteful number, since it uses less digits than its factorization.

130621685180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86295 (or 86293 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 41.

The spelling of 130621685180 in words is "one hundred thirty billion, six hundred twenty-one million, six hundred eighty-five thousand, one hundred eighty".