133132434221 has 2 divisors, whose sum is σ = 133132434222. Its totient is φ = 133132434220.

The previous prime is 133132434187. The next prime is 133132434229. The reversal of 133132434221 is 122434231331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 132459602500 + 672831721 = 363950^2 + 25939^2 .

It is an emirp because it is prime and its reverse (122434231331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 133132434221 - 2⁶ = 133132434157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133132434229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66566217110 + 66566217111.

It is an arithmetic number, because the mean of its divisors is an integer number (66566217111).

Almost surely, 2^133132434221 is an apocalyptic number.

It is an amenable number.

133132434221 is a deficient number, since it is larger than the sum of its proper divisors (1).

133132434221 is an equidigital number, since it uses as much as digits as its factorization.

133132434221 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10368, while the sum is 29.

Adding to 133132434221 its reverse (122434231331), we get a palindrome (255566665552).

The spelling of 133132434221 in words is "one hundred thirty-three billion, one hundred thirty-two million, four hundred thirty-four thousand, two hundred twenty-one".