133454433 has 32 divisors (see below), whose sum is σ = 211276800. Its totient is φ = 73313856.

The previous prime is 133454417. The next prime is 133454483. The reversal of 133454433 is 334454331.

It is not a de Polignac number, because 133454433 - 2⁴ = 133454417 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 133454433.

It is not an unprimeable number, because it can be changed into a prime (133454483) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 254910 + ... + 255432.

It is an arithmetic number, because the mean of its divisors is an integer number (6602400).

Almost surely, 2^133454433 is an apocalyptic number.

It is an amenable number.

133454433 is a deficient number, since it is larger than the sum of its proper divisors (77822367).

133454433 is a wasteful number, since it uses less digits than its factorization.

133454433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 981.

The product of its digits is 25920, while the sum is 30.

The square root of 133454433 is about 11552.2479630590. The cubic root of 133454433 is about 511.0275744889.

The spelling of 133454433 in words is "one hundred thirty-three million, four hundred fifty-four thousand, four hundred thirty-three".