133404344 has 8 divisors (see below), whose sum is σ = 250133160. Its totient is φ = 66702168.

The previous prime is 133404343. The next prime is 133404373. The reversal of 133404344 is 443404331.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133404343) 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 as a sum of consecutive naturals, namely, 8337764 + ... + 8337779.

It is an arithmetic number, because the mean of its divisors is an integer number (31266645).

Almost surely, 2^133404344 is an apocalyptic number.

It is an amenable number.

133404344 is a deficient number, since it is larger than the sum of its proper divisors (116728816).

133404344 is a wasteful number, since it uses less digits than its factorization.

133404344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16675549 (or 16675545 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 26.

The square root of 133404344 is about 11550.0798265640. The cubic root of 133404344 is about 510.9636324060.

Adding to 133404344 its reverse (443404331), we get a palindrome (576808675).

The spelling of 133404344 in words is "one hundred thirty-three million, four hundred four thousand, three hundred forty-four".