142001252279 has 2 divisors, whose sum is σ = 142001252280. Its totient is φ = 142001252278.

The previous prime is 142001252273. The next prime is 142001252357. The reversal of 142001252279 is 972252100241.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142001252279 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142001252273) 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, 71000626139 + 71000626140.

It is an arithmetic number, because the mean of its divisors is an integer number (71000626140).

Almost surely, 2^142001252279 is an apocalyptic number.

142001252279 is a deficient number, since it is larger than the sum of its proper divisors (1).

142001252279 is an equidigital number, since it uses as much as digits as its factorization.

142001252279 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20160, while the sum is 35.

The spelling of 142001252279 in words is "one hundred forty-two billion, one million, two hundred fifty-two thousand, two hundred seventy-nine".