133885292 has 6 divisors (see below), whose sum is σ = 234299268. Its totient is φ = 66942644.

The previous prime is 133885289. The next prime is 133885303. The reversal of 133885292 is 292588331.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16735658 + ... + 16735665.

It is an arithmetic number, because the mean of its divisors is an integer number (39049878).

Almost surely, 2^133885292 is an apocalyptic number.

It is an amenable number.

133885292 is a deficient number, since it is larger than the sum of its proper divisors (100413976).

133885292 is a wasteful number, since it uses less digits than its factorization.

133885292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33471327 (or 33471325 counting only the distinct ones).

The product of its digits is 103680, while the sum is 41.

The square root of 133885292 is about 11570.8812110401. The cubic root of 133885292 is about 511.5769362869.

The spelling of 133885292 in words is "one hundred thirty-three million, eight hundred eighty-five thousand, two hundred ninety-two".