130851840 has 176 divisors, whose sum is σ = 478703232. Its totient is φ = 29884416.

The previous prime is 130851829. The next prime is 130851923. The reversal of 130851840 is 48158031.

130851840 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 130851798 and 130851807.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106912 + ... + 108128.

Almost surely, 2^130851840 is an apocalyptic number.

130851840 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 130851840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (239351616).

130851840 is an abundant number, since it is smaller than the sum of its proper divisors (347851392).

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

130851840 is a wasteful number, since it uses less digits than its factorization.

130851840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1252 (or 1234 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 30.

The square root of 130851840 is about 11439.0489115136. The cubic root of 130851840 is about 507.6837678863.

The spelling of 130851840 in words is "one hundred thirty million, eight hundred fifty-one thousand, eight hundred forty".