132221317 has 2 divisors, whose sum is σ = 132221318. Its totient is φ = 132221316.

The previous prime is 132221267. The next prime is 132221333. The reversal of 132221317 is 713122231.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 124746561 + 7474756 = 11169^2 + 2734^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-132221317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (132221357) 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, 66110658 + 66110659.

It is an arithmetic number, because the mean of its divisors is an integer number (66110659).

Almost surely, 2^132221317 is an apocalyptic number.

It is an amenable number.

132221317 is a deficient number, since it is larger than the sum of its proper divisors (1).

132221317 is an equidigital number, since it uses as much as digits as its factorization.

132221317 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 504, while the sum is 22.

The square root of 132221317 is about 11498.7528454176. The cubic root of 132221317 is about 509.4487405105.

Adding to 132221317 its reverse (713122231), we get a palindrome (845343548).

The spelling of 132221317 in words is "one hundred thirty-two million, two hundred twenty-one thousand, three hundred seventeen".