142321205035279 has 2 divisors, whose sum is σ = 142321205035280. Its totient is φ = 142321205035278.

The previous prime is 142321205035249. The next prime is 142321205035403. The reversal of 142321205035279 is 972530502123241.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142321205035279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142321205035249) 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, 71160602517639 + 71160602517640.

It is an arithmetic number, because the mean of its divisors is an integer number (71160602517640).

Almost surely, 2^{142321205035279} is an apocalyptic number.

142321205035279 is a deficient number, since it is larger than the sum of its proper divisors (1).

142321205035279 is an equidigital number, since it uses as much as digits as its factorization.

142321205035279 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 907200, while the sum is 46.

The spelling of 142321205035279 in words is "one hundred forty-two trillion, three hundred twenty-one billion, two hundred five million, thirty-five thousand, two hundred seventy-nine".