130387860 has 96 divisors (see below), whose sum is σ = 418790400. Its totient is φ = 33644160.

The previous prime is 130387853. The next prime is 130387867. The reversal of 130387860 is 68783031.

It is an interprime number because it is at equal distance from previous prime (130387853) and next prime (130387867).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130387867) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12846 + ... + 20634.

It is an arithmetic number, because the mean of its divisors is an integer number (4362400).

Almost surely, 2^130387860 is an apocalyptic number.

130387860 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 130387860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (209395200).

130387860 is an abundant number, since it is smaller than the sum of its proper divisors (288402540).

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

130387860 is a wasteful number, since it uses less digits than its factorization.

130387860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7838 (or 7830 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 130387860 is about 11418.7503694581. The cubic root of 130387860 is about 507.0830017115.

The spelling of 130387860 in words is "one hundred thirty million, three hundred eighty-seven thousand, eight hundred sixty".