132542454221 has 2 divisors, whose sum is σ = 132542454222. Its totient is φ = 132542454220.

The previous prime is 132542454193. The next prime is 132542454263. The reversal of 132542454221 is 122454245231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 130132626121 + 2409828100 = 360739^2 + 49090^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-132542454221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (132542451221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66271227110 + 66271227111.

It is an arithmetic number, because the mean of its divisors is an integer number (66271227111).

Almost surely, 2^132542454221 is an apocalyptic number.

It is an amenable number.

132542454221 is a deficient number, since it is larger than the sum of its proper divisors (1).

132542454221 is an equidigital number, since it uses as much as digits as its factorization.

132542454221 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 76800, while the sum is 35.

Adding to 132542454221 its reverse (122454245231), we get a palindrome (254996699452).

The spelling of 132542454221 in words is "one hundred thirty-two billion, five hundred forty-two million, four hundred fifty-four thousand, two hundred twenty-one".