132213021 has 8 divisors (see below), whose sum is σ = 180034944. Its totient is φ = 86266560.

The previous prime is 132213007. The next prime is 132213031. The reversal of 132213021 is 120312231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 132213021 - 2⁶ = 132212957 is a prime.

It is a super-3 number, since 3×132213021³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132213031) 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, 468700 + ... + 468981.

It is an arithmetic number, because the mean of its divisors is an integer number (22504368).

Almost surely, 2^132213021 is an apocalyptic number.

It is an amenable number.

132213021 is a deficient number, since it is larger than the sum of its proper divisors (47821923).

132213021 is an equidigital number, since it uses as much as digits as its factorization.

132213021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 937731.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 132213021 is about 11498.3921049858. The cubic root of 132213021 is about 509.4380854582.

Adding to 132213021 its reverse (120312231), we get a palindrome (252525252).

The spelling of 132213021 in words is "one hundred thirty-two million, two hundred thirteen thousand, twenty-one".