142635135779 has 2 divisors, whose sum is σ = 142635135780. Its totient is φ = 142635135778.

The previous prime is 142635135739. The next prime is 142635135833. The reversal of 142635135779 is 977531536241.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 142635135779 - 2³⁶ = 73915659043 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 142635135779.

It is not a weakly prime, because it can be changed into another prime (142635135719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71317567889 + 71317567890.

It is an arithmetic number, because the mean of its divisors is an integer number (71317567890).

Almost surely, 2^142635135779 is an apocalyptic number.

142635135779 is a deficient number, since it is larger than the sum of its proper divisors (1).

142635135779 is an equidigital number, since it uses as much as digits as its factorization.

142635135779 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4762800, while the sum is 53.

The spelling of 142635135779 in words is "one hundred forty-two billion, six hundred thirty-five million, one hundred thirty-five thousand, seven hundred seventy-nine".