132352021 has 4 divisors (see below), whose sum is σ = 140137452. Its totient is φ = 124566592.

The previous prime is 132352019. The next prime is 132352039. The reversal of 132352021 is 120253231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 120253231 = 7 ⋅17179033.

It can be written as a sum of positive squares in 2 ways, for example, as 72846225 + 59505796 = 8535^2 + 7714^2 .

It is a cyclic number.

It is not a de Polignac number, because 132352021 - 2¹ = 132352019 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 132352021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132352321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3892690 + ... + 3892723.

It is an arithmetic number, because the mean of its divisors is an integer number (35034363).

Almost surely, 2^132352021 is an apocalyptic number.

It is an amenable number.

132352021 is a deficient number, since it is larger than the sum of its proper divisors (7785431).

132352021 is an equidigital number, since it uses as much as digits as its factorization.

132352021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7785430.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 132352021 is about 11504.4348405300. The cubic root of 132352021 is about 509.6165527332.

The spelling of 132352021 in words is "one hundred thirty-two million, three hundred fifty-two thousand, twenty-one".