133121432424 has 32 divisors (see below), whose sum is σ = 341798274720. Its totient is φ = 43174518336.

The previous prime is 133121432377. The next prime is 133121432489. The reversal of 133121432424 is 424234121331.

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

It is a junction number, because it is equal to n+sod(n) for n = 133121432391 and 133121432400.

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, 74954874 + ... + 74956649.

It is an arithmetic number, because the mean of its divisors is an integer number (10681196085).

Almost surely, 2^133121432424 is an apocalyptic number.

It is an amenable number.

133121432424 is an abundant number, since it is smaller than the sum of its proper divisors (208676842296).

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

133121432424 is a wasteful number, since it uses less digits than its factorization.

133121432424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149911569 (or 149911565 counting only the distinct ones).

The product of its digits is 13824, while the sum is 30.

Adding to 133121432424 its reverse (424234121331), we get a palindrome (557355553755).

The spelling of 133121432424 in words is "one hundred thirty-three billion, one hundred twenty-one million, four hundred thirty-two thousand, four hundred twenty-four".