132821628 has 24 divisors (see below), whose sum is σ = 326229120. Its totient is φ = 41943600.

The previous prime is 132821627. The next prime is 132821641. The reversal of 132821628 is 826128231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132821627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 291048 + ... + 291503.

It is an arithmetic number, because the mean of its divisors is an integer number (13592880).

Almost surely, 2^132821628 is an apocalyptic number.

It is an amenable number.

132821628 is an abundant number, since it is smaller than the sum of its proper divisors (193407492).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

132821628 is a wasteful number, since it uses less digits than its factorization.

132821628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 582577 (or 582575 counting only the distinct ones).

The product of its digits is 9216, while the sum is 33.

The square root of 132821628 is about 11524.8265930555. The cubic root of 132821628 is about 510.2185760516.

Adding to 132821628 its reverse (826128231), we get a palindrome (958949859).

The spelling of 132821628 in words is "one hundred thirty-two million, eight hundred twenty-one thousand, six hundred twenty-eight".