285714133 has 2 divisors, whose sum is σ = 285714134. Its totient is φ = 285714132.

The previous prime is 285714131. The next prime is 285714157. The reversal of 285714133 is 331417582.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 210337009 + 75377124 = 14503^2 + 8682^2 .

It is a cyclic number.

It is not a de Polignac number, because 285714133 - 2¹ = 285714131 is a prime.

Together with 285714131, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (285714131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142857066 + 142857067.

It is an arithmetic number, because the mean of its divisors is an integer number (142857067).

Almost surely, 2^285714133 is an apocalyptic number.

It is an amenable number.

285714133 is a deficient number, since it is larger than the sum of its proper divisors (1).

285714133 is an equidigital number, since it uses as much as digits as its factorization.

285714133 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 285714133 is about 16903.0805772202. The cubic root of 285714133 is about 658.6336386617.

The spelling of 285714133 in words is "two hundred eighty-five million, seven hundred fourteen thousand, one hundred thirty-three".