133284366 has 20 divisors (see below), whose sum is σ = 298656072. Its totient is φ = 44428068.

The previous prime is 133284343. The next prime is 133284409. The reversal of 133284366 is 663482331.

133284366 is a `hidden beast` number, since 13 + 3 + 284 + 366 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 133284366.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 411210 + ... + 411533.

Almost surely, 2^133284366 is an apocalyptic number.

133284366 is an abundant number, since it is smaller than the sum of its proper divisors (165371706).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

133284366 is an equidigital number, since it uses as much as digits as its factorization.

133284366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 822757 (or 822748 counting only the distinct ones).

The product of its digits is 62208, while the sum is 36.

The square root of 133284366 is about 11544.8848413486. The cubic root of 133284366 is about 510.8104070557.

The spelling of 133284366 in words is "one hundred thirty-three million, two hundred eighty-four thousand, three hundred sixty-six".