130810900 has 72 divisors (see below), whose sum is σ = 312792480. Its totient is φ = 47088000.

The previous prime is 130810871. The next prime is 130810907. The reversal of 130810900 is 9018031.

It is a super-2 number, since 2×130810900² = 34222983117620000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130810907) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 119355 + ... + 120445.

It is an arithmetic number, because the mean of its divisors is an integer number (4344340).

Almost surely, 2^130810900 is an apocalyptic number.

130810900 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 130810900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (156396240).

130810900 is an abundant number, since it is smaller than the sum of its proper divisors (181981580).

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

130810900 is a wasteful number, since it uses less digits than its factorization.

130810900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1225 (or 1218 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 22.

The square root of 130810900 is about 11437.2592870845. The cubic root of 130810900 is about 507.6308155256.

Adding to 130810900 its reverse (9018031), we get a palindrome (139828931).

The spelling of 130810900 in words is "one hundred thirty million, eight hundred ten thousand, nine hundred".