130845800 has 24 divisors (see below), whose sum is σ = 304216950. Its totient is φ = 52338240.

The previous prime is 130845779. The next prime is 130845839. The reversal of 130845800 is 8548031.

It can be written as a sum of positive squares in 3 ways, for example, as 121396324 + 9449476 = 11018^2 + 3074^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 326915 + ... + 327314.

Almost surely, 2^130845800 is an apocalyptic number.

130845800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130845800 is an abundant number, since it is smaller than the sum of its proper divisors (173371150).

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

130845800 is a wasteful number, since it uses less digits than its factorization.

130845800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 654245 (or 654236 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 130845800 is about 11438.7849005041. The cubic root of 130845800 is about 507.6759563616.

The spelling of 130845800 in words is "one hundred thirty million, eight hundred forty-five thousand, eight hundred".