142309116847 has 2 divisors, whose sum is σ = 142309116848. Its totient is φ = 142309116846.

The previous prime is 142309116793. The next prime is 142309116869. The reversal of 142309116847 is 748611903241.

It is a strong prime.

It is an emirp because it is prime and its reverse (748611903241) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142309116847 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 142309116797 and 142309116806.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142309126847) 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, 71154558423 + 71154558424.

It is an arithmetic number, because the mean of its divisors is an integer number (71154558424).

Almost surely, 2^142309116847 is an apocalyptic number.

142309116847 is a deficient number, since it is larger than the sum of its proper divisors (1).

142309116847 is an equidigital number, since it uses as much as digits as its factorization.

142309116847 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 290304, while the sum is 46.

The spelling of 142309116847 in words is "one hundred forty-two billion, three hundred nine million, one hundred sixteen thousand, eight hundred forty-seven".