133450833 has 8 divisors (see below), whose sum is σ = 188401248. Its totient is φ = 83733824.

The previous prime is 133450831. The next prime is 133450847. The reversal of 133450833 is 338054331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 133450833 - 2¹ = 133450831 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 133450833.

It is not an unprimeable number, because it can be changed into a prime (133450831) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1308291 + ... + 1308392.

It is an arithmetic number, because the mean of its divisors is an integer number (23550156).

Almost surely, 2^133450833 is an apocalyptic number.

It is an amenable number.

133450833 is a deficient number, since it is larger than the sum of its proper divisors (54950415).

133450833 is a wasteful number, since it uses less digits than its factorization.

133450833 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2616703.

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 133450833 is about 11552.0921481782. The cubic root of 133450833 is about 511.0229793729.

The spelling of 133450833 in words is "one hundred thirty-three million, four hundred fifty thousand, eight hundred thirty-three".