130806860 has 48 divisors (see below), whose sum is σ = 284407200. Its totient is φ = 50502144.

The previous prime is 130806859. The next prime is 130806869. The reversal of 130806860 is 68608031.

It is a super-2 number, since 2×130806860² = 34220869246119200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (130806869) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75686 + ... + 77394.

It is an arithmetic number, because the mean of its divisors is an integer number (5925150).

Almost surely, 2^130806860 is an apocalyptic number.

130806860 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 130806860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142203600).

130806860 is an abundant number, since it is smaller than the sum of its proper divisors (153600340).

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

130806860 is a wasteful number, since it uses less digits than its factorization.

130806860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1850 (or 1848 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 130806860 is about 11437.0826699819. The cubic root of 130806860 is about 507.6255895350.

The spelling of 130806860 in words is "one hundred thirty million, eight hundred six thousand, eight hundred sixty".