141721307029 has 2 divisors, whose sum is σ = 141721307030. Its totient is φ = 141721307028.

The previous prime is 141721307023. The next prime is 141721307053. The reversal of 141721307029 is 920703127141.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 122538503025 + 19182804004 = 350055^2 + 138502^2 .

It is a cyclic number.

It is not a de Polignac number, because 141721307029 - 2⁷ = 141721306901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (141721307023) 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, 70860653514 + 70860653515.

It is an arithmetic number, because the mean of its divisors is an integer number (70860653515).

Almost surely, 2^141721307029 is an apocalyptic number.

It is an amenable number.

141721307029 is a deficient number, since it is larger than the sum of its proper divisors (1).

141721307029 is an equidigital number, since it uses as much as digits as its factorization.

141721307029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21168, while the sum is 37.

The spelling of 141721307029 in words is "one hundred forty-one billion, seven hundred twenty-one million, three hundred seven thousand, twenty-nine".