133724404 has 24 divisors (see below), whose sum is σ = 257828256. Its totient is φ = 60180000.

The previous prime is 133724399. The next prime is 133724441. The reversal of 133724404 is 404427331.

133724404 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 10602 + ... + 19489.

It is an arithmetic number, because the mean of its divisors is an integer number (10742844).

Almost surely, 2^133724404 is an apocalyptic number.

It is an amenable number.

133724404 is a deficient number, since it is larger than the sum of its proper divisors (124103852).

133724404 is a wasteful number, since it uses less digits than its factorization.

133724404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30207 (or 30205 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 28.

The square root of 133724404 is about 11563.9268416918. The cubic root of 133724404 is about 511.3719359721.

The spelling of 133724404 in words is "one hundred thirty-three million, seven hundred twenty-four thousand, four hundred four".