178430130 has 96 divisors (see below), whose sum is σ = 495331200. Its totient is φ = 44407296.

The previous prime is 178430123. The next prime is 178430143. The reversal of 178430130 is 31034871.

It is a super-2 number, since 2×178430130² = 63674622583633800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 178430094 and 178430103.

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 47 ways as a sum of consecutive naturals, for example, 212251 + ... + 213089.

It is an arithmetic number, because the mean of its divisors is an integer number (5159700).

Almost surely, 2^178430130 is an apocalyptic number.

178430130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 178430130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (247665600).

178430130 is an abundant number, since it is smaller than the sum of its proper divisors (316901070).

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

178430130 is a wasteful number, since it uses less digits than its factorization.

178430130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1008 (or 1005 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 178430130 is about 13357.7741409263. The cubic root of 178430130 is about 562.9753729604.

The spelling of 178430130 in words is "one hundred seventy-eight million, four hundred thirty thousand, one hundred thirty".