133433436 has 24 divisors (see below), whose sum is σ = 317220624. Its totient is φ = 43638400.

The previous prime is 133433411. The next prime is 133433453. The reversal of 133433436 is 634334331.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104265 + ... + 105536.

It is an arithmetic number, because the mean of its divisors is an integer number (13217526).

Almost surely, 2^133433436 is an apocalyptic number.

It is an amenable number.

133433436 is an abundant number, since it is smaller than the sum of its proper divisors (183787188).

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

133433436 is a wasteful number, since it uses less digits than its factorization.

133433436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209861 (or 209859 counting only the distinct ones).

The product of its digits is 23328, while the sum is 30.

The square root of 133433436 is about 11551.3391431470. The cubic root of 133433436 is about 511.0007723100. Note that the first 3 decimals are identical.

Adding to 133433436 its reverse (634334331), we get a palindrome (767767767).

The spelling of 133433436 in words is "one hundred thirty-three million, four hundred thirty-three thousand, four hundred thirty-six".