130685178 has 32 divisors (see below), whose sum is σ = 283985856. Its totient is φ = 39852288.

The previous prime is 130685167. The next prime is 130685183. The reversal of 130685178 is 871586031.

It is a Harshad number since it is a multiple of its sum of digits (39).

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, 1401 + ... + 16227.

It is an arithmetic number, because the mean of its divisors is an integer number (8874558).

Almost surely, 2^130685178 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 130685178, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (141992928).

130685178 is an abundant number, since it is smaller than the sum of its proper divisors (153300678).

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

130685178 is a wasteful number, since it uses less digits than its factorization.

130685178 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14958.

The product of its (nonzero) digits is 40320, while the sum is 39.

The square root of 130685178 is about 11431.7618064759. The cubic root of 130685178 is about 507.4681358657.

The spelling of 130685178 in words is "one hundred thirty million, six hundred eighty-five thousand, one hundred seventy-eight".