141131134240021 has 2 divisors, whose sum is σ = 141131134240022. Its totient is φ = 141131134240020.

The previous prime is 141131134240013. The next prime is 141131134240093. The reversal of 141131134240021 is 120042431131141.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 86035104311121 + 55096029928900 = 9275511^2 + 7422670^2 .

It is a cyclic number.

It is not a de Polignac number, because 141131134240021 - 2³ = 141131134240013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (141131134240121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70565567120010 + 70565567120011.

It is an arithmetic number, because the mean of its divisors is an integer number (70565567120011).

Almost surely, 2^{141131134240021} is an apocalyptic number.

It is an amenable number.

141131134240021 is a deficient number, since it is larger than the sum of its proper divisors (1).

141131134240021 is an equidigital number, since it uses as much as digits as its factorization.

141131134240021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 28.

Adding to 141131134240021 its reverse (120042431131141), we get a palindrome (261173565371162).

The spelling of 141131134240021 in words is "one hundred forty-one trillion, one hundred thirty-one billion, one hundred thirty-four million, two hundred forty thousand, twenty-one".