133224434 has 24 divisors (see below), whose sum is σ = 240484140. Its totient is φ = 55126176.

The previous prime is 133224433. The next prime is 133224439. The reversal of 133224434 is 434422331.

It can be written as a sum of positive squares in 2 ways, for example, as 122168809 + 11055625 = 11053^2 + 3325^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (133224433) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20597 + ... + 26280.

Almost surely, 2^133224434 is an apocalyptic number.

133224434 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

133224434 is a deficient number, since it is larger than the sum of its proper divisors (107259706).

133224434 is a wasteful number, since it uses less digits than its factorization.

133224434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46922 (or 46915 counting only the distinct ones).

The product of its digits is 6912, while the sum is 26.

The square root of 133224434 is about 11542.2889411070. The cubic root of 133224434 is about 510.7338327358.

Adding to 133224434 its reverse (434422331), we get a palindrome (567646765).

The spelling of 133224434 in words is "one hundred thirty-three million, two hundred twenty-four thousand, four hundred thirty-four".