133004404 has 12 divisors (see below), whose sum is σ = 250662244. Its totient is φ = 61386624.

The previous prime is 133004393. The next prime is 133004419. The reversal of 133004404 is 404400331.

It can be written as a sum of positive squares in 2 ways, for example, as 17656804 + 115347600 = 4202^2 + 10740^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1278837 + ... + 1278940.

Almost surely, 2^133004404 is an apocalyptic number.

It is an amenable number.

133004404 is a deficient number, since it is larger than the sum of its proper divisors (117657840).

133004404 is a wasteful number, since it uses less digits than its factorization.

133004404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2557794 (or 2557792 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 133004404 is about 11532.7535307055. The cubic root of 133004404 is about 510.4525062433.

Adding to 133004404 its reverse (404400331), we get a palindrome (537404735).

The spelling of 133004404 in words is "one hundred thirty-three million, four thousand, four hundred four".