130712180 has 24 divisors (see below), whose sum is σ = 277217640. Its totient is φ = 51766400.

The previous prime is 130712171. The next prime is 130712209. The reversal of 130712180 is 81217031.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 70090384 + 60621796 = 8372^2 + 7786^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30335 + ... + 34374.

It is an arithmetic number, because the mean of its divisors is an integer number (11550735).

Almost surely, 2^130712180 is an apocalyptic number.

130712180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130712180 is an abundant number, since it is smaller than the sum of its proper divisors (146505460).

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

130712180 is a wasteful number, since it uses less digits than its factorization.

130712180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64819 (or 64817 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 23.

The square root of 130712180 is about 11432.9427532897. The cubic root of 130712180 is about 507.5030842590.

It can be divided in two parts, 13071 and 2180, that added together give a palindrome (15251).

The spelling of 130712180 in words is "one hundred thirty million, seven hundred twelve thousand, one hundred eighty".