130285782 has 72 divisors (see below), whose sum is σ = 318066840. Its totient is φ = 38491200.

The previous prime is 130285751. The next prime is 130285811. The reversal of 130285782 is 287582031.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 88569 + ... + 90027.

It is an arithmetic number, because the mean of its divisors is an integer number (4417595).

Almost surely, 2^130285782 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 130285782, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (159033420).

130285782 is an abundant number, since it is smaller than the sum of its proper divisors (187781058).

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

130285782 is a wasteful number, since it uses less digits than its factorization.

130285782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1530 (or 1516 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 130285782 is about 11414.2797407458. The cubic root of 130285782 is about 506.9506388460.

The spelling of 130285782 in words is "one hundred thirty million, two hundred eighty-five thousand, seven hundred eighty-two".