142020042079 has 2 divisors, whose sum is σ = 142020042080. Its totient is φ = 142020042078.

The previous prime is 142020042037. The next prime is 142020042113. The reversal of 142020042079 is 970240020241.

142020042079 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (970240020241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 142020042079 - 2⁹ = 142020041567 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 142020042079.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142020043079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71010021039 + 71010021040.

It is an arithmetic number, because the mean of its divisors is an integer number (71010021040).

Almost surely, 2^142020042079 is an apocalyptic number.

142020042079 is a deficient number, since it is larger than the sum of its proper divisors (1).

142020042079 is an equidigital number, since it uses as much as digits as its factorization.

142020042079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 31.

The spelling of 142020042079 in words is "one hundred forty-two billion, twenty million, forty-two thousand, seventy-nine".