132217856 has 22 divisors (see below), whose sum is σ = 264308640. Its totient is φ = 66108416.

The previous prime is 132217853. The next prime is 132217861. The reversal of 132217856 is 658712231.

It is a happy number.

It is a super-2 number, since 2×132217856² = 34963122890473472, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132217853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63536 + ... + 65583.

Almost surely, 2^132217856 is an apocalyptic number.

132217856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

132217856 is a deficient number, since it is larger than the sum of its proper divisors (132090784).

132217856 is an equidigital number, since it uses as much as digits as its factorization.

132217856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129139 (or 129121 counting only the distinct ones).

The product of its digits is 20160, while the sum is 35.

The square root of 132217856 is about 11498.6023498510. The cubic root of 132217856 is about 509.4442953940. Note that the first 3 decimals are identical.

The spelling of 132217856 in words is "one hundred thirty-two million, two hundred seventeen thousand, eight hundred fifty-six".