1432134440221 has 2 divisors, whose sum is σ = 1432134440222. Its totient is φ = 1432134440220.

The previous prime is 1432134440203. The next prime is 1432134440267. The reversal of 1432134440221 is 1220444312341.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 867479880996 + 564654559225 = 931386^2 + 751435^2 .

It is an emirp because it is prime and its reverse (1220444312341) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1432134440221 - 2¹¹ = 1432134438173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1432134447221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 716067220110 + 716067220111.

It is an arithmetic number, because the mean of its divisors is an integer number (716067220111).

Almost surely, 2^{1432134440221} is an apocalyptic number.

It is an amenable number.

1432134440221 is a deficient number, since it is larger than the sum of its proper divisors (1).

1432134440221 is an equidigital number, since it uses as much as digits as its factorization.

1432134440221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 1432134440221 its reverse (1220444312341), we get a palindrome (2652578752562).

The spelling of 1432134440221 in words is "one trillion, four hundred thirty-two billion, one hundred thirty-four million, four hundred forty thousand, two hundred twenty-one".