142857142793 has 4 divisors (see below), whose sum is σ = 143023838100. Its totient is φ = 142690447488.

The previous prime is 142857142751. The next prime is 142857142811. The reversal of 142857142793 is 397241758241.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 118234197904 + 24622944889 = 343852^2 + 156917^2 .

It is a cyclic number.

It is not a de Polignac number, because 142857142793 - 2¹⁰ = 142857141769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142857142723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83346368 + ... + 83348081.

It is an arithmetic number, because the mean of its divisors is an integer number (35755959525).

Almost surely, 2^142857142793 is an apocalyptic number.

It is an amenable number.

142857142793 is a deficient number, since it is larger than the sum of its proper divisors (166695307).

142857142793 is an equidigital number, since it uses as much as digits as its factorization.

142857142793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166695306.

The product of its digits is 3386880, while the sum is 53.

The spelling of 142857142793 in words is "one hundred forty-two billion, eight hundred fifty-seven million, one hundred forty-two thousand, seven hundred ninety-three".