132021993 has 8 divisors (see below), whose sum is σ = 179350848. Its totient is φ = 86353904.

The previous prime is 132021979. The next prime is 132022003. The reversal of 132021993 is 399120231.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 132021993 - 2¹⁶ = 131956457 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 132021993.

It is not an unprimeable number, because it can be changed into a prime (132021913) 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, 415005 + ... + 415322.

It is an arithmetic number, because the mean of its divisors is an integer number (22418856).

Almost surely, 2^132021993 is an apocalyptic number.

It is an amenable number.

132021993 is a deficient number, since it is larger than the sum of its proper divisors (47328855).

132021993 is an equidigital number, since it uses as much as digits as its factorization.

132021993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 830383.

The product of its (nonzero) digits is 2916, while the sum is 30.

The square root of 132021993 is about 11490.0823756838. The cubic root of 132021993 is about 509.1926133028.

The spelling of 132021993 in words is "one hundred thirty-two million, twenty-one thousand, nine hundred ninety-three".