132866181946 has 8 divisors (see below), whose sum is σ = 199624395924. Its totient is φ = 66324716640.

The previous prime is 132866181911. The next prime is 132866181997. The reversal of 132866181946 is 649181668231.

It can be written as a sum of positive squares in 2 ways, for example, as 72017626321 + 60848555625 = 268361^2 + 246675^2 .

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, 54185635 + ... + 54188086.

Almost surely, 2^132866181946 is an apocalyptic number.

132866181946 is a deficient number, since it is larger than the sum of its proper divisors (66758213978).

132866181946 is a wasteful number, since it uses less digits than its factorization.

132866181946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108374336.

The product of its digits is 2985984, while the sum is 55.

The spelling of 132866181946 in words is "one hundred thirty-two billion, eight hundred sixty-six million, one hundred eighty-one thousand, nine hundred forty-six".