133522404 has 48 divisors (see below), whose sum is σ = 322430976. Its totient is φ = 42976000.

The previous prime is 133522399. The next prime is 133522453. The reversal of 133522404 is 404225331.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48349 + ... + 51035.

It is an arithmetic number, because the mean of its divisors is an integer number (6717312).

Almost surely, 2^133522404 is an apocalyptic number.

It is an amenable number.

133522404 is an abundant number, since it is smaller than the sum of its proper divisors (188908572).

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

133522404 is a wasteful number, since it uses less digits than its factorization.

133522404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2836 (or 2834 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 133522404 is about 11555.1894835178. The cubic root of 133522404 is about 511.1143186034.

Adding to 133522404 its reverse (404225331), we get a palindrome (537747735).

The spelling of 133522404 in words is "one hundred thirty-three million, five hundred twenty-two thousand, four hundred four".