132239621 has 2 divisors, whose sum is σ = 132239622. Its totient is φ = 132239620.

The previous prime is 132239567. The next prime is 132239629. The reversal of 132239621 is 126932231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 79459396 + 52780225 = 8914^2 + 7265^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-132239621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (132239629) 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 as a sum of consecutive naturals, namely, 66119810 + 66119811.

It is an arithmetic number, because the mean of its divisors is an integer number (66119811).

Almost surely, 2^132239621 is an apocalyptic number.

It is an amenable number.

132239621 is a deficient number, since it is larger than the sum of its proper divisors (1).

132239621 is an equidigital number, since it uses as much as digits as its factorization.

132239621 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3888, while the sum is 29.

The square root of 132239621 is about 11499.5487302763. The cubic root of 132239621 is about 509.4722478634.

The spelling of 132239621 in words is "one hundred thirty-two million, two hundred thirty-nine thousand, six hundred twenty-one".