130178966 has 4 divisors (see below), whose sum is σ = 195268452. Its totient is φ = 65089482.

The previous prime is 130178953. The next prime is 130178969. The reversal of 130178966 is 669871031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 669871031 = 6791 ⋅98641.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130178969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32544740 + ... + 32544743.

It is an arithmetic number, because the mean of its divisors is an integer number (48817113).

Almost surely, 2^130178966 is an apocalyptic number.

130178966 is a deficient number, since it is larger than the sum of its proper divisors (65089486).

130178966 is an equidigital number, since it uses as much as digits as its factorization.

130178966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65089485.

The product of its (nonzero) digits is 54432, while the sum is 41.

The square root of 130178966 is about 11409.5997300519. The cubic root of 130178966 is about 506.8120582479.

The spelling of 130178966 in words is "one hundred thirty million, one hundred seventy-eight thousand, nine hundred sixty-six".