133405204 has 6 divisors (see below), whose sum is σ = 233459114. Its totient is φ = 66702600.

The previous prime is 133405177. The next prime is 133405211. The reversal of 133405204 is 402504331.

It can be written as a sum of positive squares in only one way, i.e., 133402500 + 2704 = 11550^2 + 52^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16675647 + ... + 16675654.

Almost surely, 2^133405204 is an apocalyptic number.

It is an amenable number.

133405204 is a deficient number, since it is larger than the sum of its proper divisors (100053910).

133405204 is a wasteful number, since it uses less digits than its factorization.

133405204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33351305 (or 33351303 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 133405204 is about 11550.1170556839. The cubic root of 133405204 is about 510.9647303907.

Adding to 133405204 its reverse (402504331), we get a palindrome (535909535).

The spelling of 133405204 in words is "one hundred thirty-three million, four hundred five thousand, two hundred four".