141242319721 has 2 divisors, whose sum is σ = 141242319722. Its totient is φ = 141242319720.

The previous prime is 141242319697. The next prime is 141242319731. The reversal of 141242319721 is 127913242141.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 114758337600 + 26483982121 = 338760^2 + 162739^2 .

It is a cyclic number.

It is not a de Polignac number, because 141242319721 - 2⁵ = 141242319689 is a prime.

It is not a weakly prime, because it can be changed into another prime (141242319731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70621159860 + 70621159861.

It is an arithmetic number, because the mean of its divisors is an integer number (70621159861).

Almost surely, 2^141242319721 is an apocalyptic number.

It is an amenable number.

141242319721 is a deficient number, since it is larger than the sum of its proper divisors (1).

141242319721 is an equidigital number, since it uses as much as digits as its factorization.

141242319721 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24192, while the sum is 37.

The spelling of 141242319721 in words is "one hundred forty-one billion, two hundred forty-two million, three hundred nineteen thousand, seven hundred twenty-one".