130725484640 has 48 divisors (see below), whose sum is σ = 309572701200. Its totient is φ = 52165962240.

The previous prime is 130725484633. The next prime is 130725484663. The reversal of 130725484640 is 46484527031.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 130725484591 and 130725484600.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 902990 + ... + 1037709.

It is an arithmetic number, because the mean of its divisors is an integer number (6449431275).

Almost surely, 2^130725484640 is an apocalyptic number.

130725484640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130725484640 is an abundant number, since it is smaller than the sum of its proper divisors (178847216560).

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

130725484640 is a wasteful number, since it uses less digits than its factorization.

130725484640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1941135 (or 1941127 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 44.

The spelling of 130725484640 in words is "one hundred thirty billion, seven hundred twenty-five million, four hundred eighty-four thousand, six hundred forty".