142857133 has 2 divisors, whose sum is σ = 142857134. Its totient is φ = 142857132.

The previous prime is 142857107. The next prime is 142857151. The reversal of 142857133 is 331758241.

142857133 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 can be written as a sum of positive squares in only one way, i.e., 133010089 + 9847044 = 11533^2 + 3138^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142857133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142857173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71428566 + 71428567.

It is an arithmetic number, because the mean of its divisors is an integer number (71428567).

Almost surely, 2^142857133 is an apocalyptic number.

It is an amenable number.

142857133 is a deficient number, since it is larger than the sum of its proper divisors (1).

142857133 is an equidigital number, since it uses as much as digits as its factorization.

142857133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20160, while the sum is 34.

The square root of 142857133 is about 11952.2856809901. The cubic root of 142857133 is about 522.7579465513.

It can be divided in two parts, 142857 and 133, that multiplied together give a palindrome (18999981).

The spelling of 142857133 in words is "one hundred forty-two million, eight hundred fifty-seven thousand, one hundred thirty-three".