142319195729 has 2 divisors, whose sum is σ = 142319195730. Its totient is φ = 142319195728.

The previous prime is 142319195693. The next prime is 142319195747. The reversal of 142319195729 is 927591913241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 132749465104 + 9569730625 = 364348^2 + 97825^2 .

It is a cyclic number.

It is not a de Polignac number, because 142319195729 - 2¹⁶ = 142319130193 is a prime.

It is not a weakly prime, because it can be changed into another prime (142319135729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71159597864 + 71159597865.

It is an arithmetic number, because the mean of its divisors is an integer number (71159597865).

Almost surely, 2^142319195729 is an apocalyptic number.

It is an amenable number.

142319195729 is a deficient number, since it is larger than the sum of its proper divisors (1).

142319195729 is an equidigital number, since it uses as much as digits as its factorization.

142319195729 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1224720, while the sum is 53.

The spelling of 142319195729 in words is "one hundred forty-two billion, three hundred nineteen million, one hundred ninety-five thousand, seven hundred twenty-nine".