132708228 has 24 divisors (see below), whose sum is σ = 314902560. Its totient is φ = 43486080.

The previous prime is 132708223. The next prime is 132708281. The reversal of 132708228 is 822807231.

It is a super-2 number, since 2×132708228² = 35222947557799968, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (132708221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93013 + ... + 94428.

It is an arithmetic number, because the mean of its divisors is an integer number (13120940).

Almost surely, 2^132708228 is an apocalyptic number.

It is an amenable number.

132708228 is an abundant number, since it is smaller than the sum of its proper divisors (182194332).

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

132708228 is a wasteful number, since it uses less digits than its factorization.

132708228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187507 (or 187505 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 132708228 is about 11519.9057287809. The cubic root of 132708228 is about 510.0733304783.

The spelling of 132708228 in words is "one hundred thirty-two million, seven hundred eight thousand, two hundred twenty-eight".