132002021 has 4 divisors (see below), whose sum is σ = 132231372. Its totient is φ = 131772672.

The previous prime is 132002011. The next prime is 132002069. The reversal of 132002021 is 120200231.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 131217025 + 784996 = 11455^2 + 886^2 .

It is a cyclic number.

It is not a de Polignac number, because 132002021 - 2¹⁰ = 132000997 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 132001993 and 132002011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132002011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113810 + ... + 114963.

It is an arithmetic number, because the mean of its divisors is an integer number (33057843).

Almost surely, 2^132002021 is an apocalyptic number.

It is an amenable number.

132002021 is a deficient number, since it is larger than the sum of its proper divisors (229351).

132002021 is an equidigital number, since it uses as much as digits as its factorization.

132002021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229350.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 132002021 is about 11489.2132454751. The cubic root of 132002021 is about 509.1669354909.

Adding to 132002021 its reverse (120200231), we get a palindrome (252202252).

The spelling of 132002021 in words is "one hundred thirty-two million, two thousand, twenty-one".