130181866 has 8 divisors (see below), whose sum is σ = 196090560. Its totient is φ = 64818348.

The previous prime is 130181827. The next prime is 130181881. The reversal of 130181866 is 668181031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135696 + ... + 136651.

It is an arithmetic number, because the mean of its divisors is an integer number (24511320).

Almost surely, 2^130181866 is an apocalyptic number.

130181866 is a deficient number, since it is larger than the sum of its proper divisors (65908694).

130181866 is a wasteful number, since it uses less digits than its factorization.

130181866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272588.

The product of its (nonzero) digits is 6912, while the sum is 34.

The square root of 130181866 is about 11409.7268153098. The cubic root of 130181866 is about 506.8158216415.

It can be divided in two parts, 13018 and 1866, that added together give a square (14884 = 122²).

The spelling of 130181866 in words is "one hundred thirty million, one hundred eighty-one thousand, eight hundred sixty-six".