130657860 has 120 divisors (see below), whose sum is σ = 417130560. Its totient is φ = 34226496.

The previous prime is 130657843. The next prime is 130657883. The reversal of 130657860 is 68756031.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 94897 + ... + 96263.

It is an arithmetic number, because the mean of its divisors is an integer number (3476088).

Almost surely, 2^130657860 is an apocalyptic number.

130657860 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 130657860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (208565280).

130657860 is an abundant number, since it is smaller than the sum of its proper divisors (286472700).

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

130657860 is a wasteful number, since it uses less digits than its factorization.

130657860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1447 (or 1436 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 130657860 is about 11430.5669150747. The cubic root of 130657860 is about 507.4327735780.

The spelling of 130657860 in words is "one hundred thirty million, six hundred fifty-seven thousand, eight hundred sixty".