130712666 has 24 divisors (see below), whose sum is σ = 236209440. Its totient is φ = 52995600.

The previous prime is 130712663. The next prime is 130712669. The reversal of 130712666 is 666217031.

It is an interprime number because it is at equal distance from previous prime (130712663) and next prime (130712669).

It is not an unprimeable number, because it can be changed into a prime (130712663) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 186116 + ... + 186816.

It is an arithmetic number, because the mean of its divisors is an integer number (9842060).

Almost surely, 2^130712666 is an apocalyptic number.

130712666 is a deficient number, since it is larger than the sum of its proper divisors (105496774).

130712666 is an frugal number, since it uses more digits than its factorization.

130712666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1430 (or 729 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 130712666 is about 11432.9640076404. The cubic root of 130712666 is about 507.5037132394.

Adding to 130712666 its reverse (666217031), we get a palindrome (796929697).

The spelling of 130712666 in words is "one hundred thirty million, seven hundred twelve thousand, six hundred sixty-six".