130185984 has 72 divisors (see below), whose sum is σ = 348788160. Its totient is φ = 43107328.

The previous prime is 130185971. The next prime is 130185989. The reversal of 130185984 is 489581031.

It is not an unprimeable number, because it can be changed into a prime (130185989) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136999 + ... + 137945.

It is an arithmetic number, because the mean of its divisors is an integer number (4844280).

Almost surely, 2^130185984 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 130185984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (174394080).

130185984 is an abundant number, since it is smaller than the sum of its proper divisors (218602176).

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

130185984 is an equidigital number, since it uses as much as digits as its factorization.

130185984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1145 (or 1131 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 39.

The square root of 130185984 is about 11409.9072739440. The cubic root of 130185984 is about 506.8211655644.

The spelling of 130185984 in words is "one hundred thirty million, one hundred eighty-five thousand, nine hundred eighty-four".