133404004 has 6 divisors (see below), whose sum is σ = 233457014. Its totient is φ = 66702000.

The previous prime is 133403993. The next prime is 133404013. The reversal of 133404004 is 400404331.

It can be written as a sum of positive squares in only one way, i.e., 89870400 + 43533604 = 9480^2 + 6598^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16675497 + ... + 16675504.

Almost surely, 2^133404004 is an apocalyptic number.

It is an amenable number.

133404004 is a deficient number, since it is larger than the sum of its proper divisors (100053010).

133404004 is a wasteful number, since it uses less digits than its factorization.

133404004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33351005 (or 33351003 counting only the distinct ones).

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

The square root of 133404004 is about 11550.0651080416. The cubic root of 133404004 is about 510.9631983178.

Adding to 133404004 its reverse (400404331), we get a palindrome (533808335).

The spelling of 133404004 in words is "one hundred thirty-three million, four hundred four thousand, four".