133441404 has 24 divisors (see below), whose sum is σ = 316469328. Its totient is φ = 43751040.

The previous prime is 133441403. The next prime is 133441411. The reversal of 133441404 is 404144331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133441403) by changing a digit.

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, 90417 + ... + 91880.

It is an arithmetic number, because the mean of its divisors is an integer number (13186222).

Almost surely, 2^133441404 is an apocalyptic number.

It is an amenable number.

133441404 is an abundant number, since it is smaller than the sum of its proper divisors (183027924).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

133441404 is a wasteful number, since it uses less digits than its factorization.

133441404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182365 (or 182363 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 133441404 is about 11551.6840330750. The cubic root of 133441404 is about 511.0109436065.

Adding to 133441404 its reverse (404144331), we get a palindrome (537585735).

The spelling of 133441404 in words is "one hundred thirty-three million, four hundred forty-one thousand, four hundred four".