133020404 has 12 divisors (see below), whose sum is σ = 253948128. Its totient is φ = 60463800.

The previous prime is 133020401. The next prime is 133020409. The reversal of 133020404 is 404020331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133020401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1511552 + ... + 1511639.

It is an arithmetic number, because the mean of its divisors is an integer number (21162344).

Almost surely, 2^133020404 is an apocalyptic number.

It is an amenable number.

133020404 is a deficient number, since it is larger than the sum of its proper divisors (120927724).

133020404 is a wasteful number, since it uses less digits than its factorization.

133020404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3023206 (or 3023204 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 133020404 is about 11533.4471863359. The cubic root of 133020404 is about 510.4729740182.

Adding to 133020404 its reverse (404020331), we get a palindrome (537040735).

The spelling of 133020404 in words is "one hundred thirty-three million, twenty thousand, four hundred four".