4132142221 has 2 divisors, whose sum is σ = 4132142222. Its totient is φ = 4132142220.

The previous prime is 4132142219. The next prime is 4132142239. The reversal of 4132142221 is 1222412314.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4001954121 + 130188100 = 63261^2 + 11410^2 .

It is a cyclic number.

It is not a de Polignac number, because 4132142221 - 2¹ = 4132142219 is a prime.

Together with 4132142219, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 4132142192 and 4132142201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4132142291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2066071110 + 2066071111.

It is an arithmetic number, because the mean of its divisors is an integer number (2066071111).

Almost surely, 2^4132142221 is an apocalyptic number.

It is an amenable number.

4132142221 is a deficient number, since it is larger than the sum of its proper divisors (1).

4132142221 is an equidigital number, since it uses as much as digits as its factorization.

4132142221 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 768, while the sum is 22.

The square root of 4132142221 is about 64281.7409611781. The cubic root of 4132142221 is about 1604.6922441854.

Adding to 4132142221 its reverse (1222412314), we get a palindrome (5354554535).

The spelling of 4132142221 in words is "four billion, one hundred thirty-two million, one hundred forty-two thousand, two hundred twenty-one".