132215668 has 12 divisors (see below), whose sum is σ = 249175780. Its totient is φ = 61022592.

The previous prime is 132215659. The next prime is 132215687. The reversal of 132215668 is 866512231.

It can be written as a sum of positive squares in 2 ways, for example, as 20448484 + 111767184 = 4522^2 + 10572^2 .

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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, 1271253 + ... + 1271356.

Almost surely, 2^132215668 is an apocalyptic number.

It is an amenable number.

132215668 is a deficient number, since it is larger than the sum of its proper divisors (116960112).

132215668 is a wasteful number, since it uses less digits than its factorization.

132215668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2542626 (or 2542624 counting only the distinct ones).

The product of its digits is 17280, while the sum is 34.

The square root of 132215668 is about 11498.5072074596. The cubic root of 132215668 is about 509.4414852081.

Adding to 132215668 its reverse (866512231), we get a palindrome (998727899).

The spelling of 132215668 in words is "one hundred thirty-two million, two hundred fifteen thousand, six hundred sixty-eight".