132040021 has 2 divisors, whose sum is σ = 132040022. Its totient is φ = 132040020.

The previous prime is 132039997. The next prime is 132040031. The reversal of 132040021 is 120040231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 115799121 + 16240900 = 10761^2 + 4030^2 .

It is a cyclic number.

It is not a de Polignac number, because 132040021 - 2⁷ = 132039893 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 132039983 and 132040010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (132040031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66020010 + 66020011.

It is an arithmetic number, because the mean of its divisors is an integer number (66020011).

Almost surely, 2^132040021 is an apocalyptic number.

It is an amenable number.

132040021 is a deficient number, since it is larger than the sum of its proper divisors (1).

132040021 is an equidigital number, since it uses as much as digits as its factorization.

132040021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 132040021 is about 11490.8668515478. The cubic root of 132040021 is about 509.2157895086.

Adding to 132040021 its reverse (120040231), we get a palindrome (252080252).

The spelling of 132040021 in words is "one hundred thirty-two million, forty thousand, twenty-one".