286146133 has 12 divisors (see below), whose sum is σ = 358469580. Its totient is φ = 226400832.

The previous prime is 286146131. The next prime is 286146139. The reversal of 286146133 is 331641682.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 33431524 + 252714609 = 5782^2 + 15897^2 .

It is not a de Polignac number, because 286146133 - 2¹ = 286146131 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (286146131) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 223968 + ... + 225241.

It is an arithmetic number, because the mean of its divisors is an integer number (29872465).

Almost surely, 2^286146133 is an apocalyptic number.

It is an amenable number.

286146133 is a deficient number, since it is larger than the sum of its proper divisors (72323447).

286146133 is a wasteful number, since it uses less digits than its factorization.

286146133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449236 (or 449229 counting only the distinct ones).

The product of its digits is 20736, while the sum is 34.

The square root of 286146133 is about 16915.8544862505. The cubic root of 286146133 is about 658.9654230298.

The spelling of 286146133 in words is "two hundred eighty-six million, one hundred forty-six thousand, one hundred thirty-three".