133432424 has 32 divisors (see below), whose sum is σ = 255286080. Its totient is φ = 65370624.

The previous prime is 133432417. The next prime is 133432441. The reversal of 133432424 is 424234331.

It is a junction number, because it is equal to n+sod(n) for n = 133432393 and 133432402.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82229 + ... + 83835.

It is an arithmetic number, because the mean of its divisors is an integer number (7977690).

Almost surely, 2^133432424 is an apocalyptic number.

It is an amenable number.

133432424 is a deficient number, since it is larger than the sum of its proper divisors (121853656).

133432424 is a wasteful number, since it uses less digits than its factorization.

133432424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1817 (or 1813 counting only the distinct ones).

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

The square root of 133432424 is about 11551.2953386190. The cubic root of 133432424 is about 510.9994804447. Note that the first 3 decimals are identical.

Adding to 133432424 its reverse (424234331), we get a palindrome (557666755).

The spelling of 133432424 in words is "one hundred thirty-three million, four hundred thirty-two thousand, four hundred twenty-four".