132640216 has 32 divisors (see below), whose sum is σ = 262436400. Its totient is φ = 62674560.

The previous prime is 132640199. The next prime is 132640217. The reversal of 132640216 is 612046231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132640217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81426 + ... + 83038.

Almost surely, 2^132640216 is an apocalyptic number.

It is an amenable number.

132640216 is a deficient number, since it is larger than the sum of its proper divisors (129796184).

132640216 is a wasteful number, since it uses less digits than its factorization.

132640216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2179 (or 2175 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 132640216 is about 11516.9534165942. The cubic root of 132640216 is about 509.9861793000.

Adding to 132640216 its reverse (612046231), we get a palindrome (744686447).

The spelling of 132640216 in words is "one hundred thirty-two million, six hundred forty thousand, two hundred sixteen".