130666 has 8 divisors (see below), whose sum is σ = 198720. Its totient is φ = 64428.

The previous prime is 130657. The next prime is 130681. The reversal of 130666 is 666031.

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

130666 is a modest number, since divided by 666 gives 130 as remainder.

It is an unprimeable number.

130666 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 256 + ... + 571.

It is an arithmetic number, because the mean of its divisors is an integer number (24840).

2¹³⁰⁶⁶⁶ is an apocalyptic number.

130666 is a deficient number, since it is larger than the sum of its proper divisors (68054).

130666 is an equidigital number, since it uses as much as digits as its factorization.

130666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 908.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 130666 is about 361.4775235060. The cubic root of 130666 is about 50.7443311066.

Adding to 130666 its reverse (666031), we get a palindrome (796697).

The spelling of 130666 in words is "one hundred thirty thousand, six hundred sixty-six".