130785900 has 288 divisors, whose sum is σ = 466636800. Its totient is φ = 28224000.

The previous prime is 130785887. The next prime is 130785901. The reversal of 130785900 is 9587031.

It is not an unprimeable number, because it can be changed into a prime (130785901) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3189880 + ... + 3189920.

Almost surely, 2^130785900 is an apocalyptic number.

130785900 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 130785900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (233318400).

130785900 is an abundant number, since it is smaller than the sum of its proper divisors (335850900).

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

130785900 is a wasteful number, since it uses less digits than its factorization.

130785900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110 (or 89 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 33.

The square root of 130785900 is about 11436.1663156846. The cubic root of 130785900 is about 507.5984747474.

The spelling of 130785900 in words is "one hundred thirty million, seven hundred eighty-five thousand, nine hundred".