133344444 has 12 divisors (see below), whose sum is σ = 311137064. Its totient is φ = 44448144.

The previous prime is 133344443. The next prime is 133344457. The reversal of 133344444 is 444443331.

It is a tau number, because it is divible by the number of its divisors (12).

It is a nude number because it is divisible by every one of its digits.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133344443) 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 3 ways as a sum of consecutive naturals, for example, 5556007 + ... + 5556030.

Almost surely, 2^133344444 is an apocalyptic number.

It is an amenable number.

133344444 is an abundant number, since it is smaller than the sum of its proper divisors (177792620).

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

133344444 is a wasteful number, since it uses less digits than its factorization.

133344444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11112044 (or 11112042 counting only the distinct ones).

The product of its digits is 27648, while the sum is 30.

The square root of 133344444 is about 11547.4864797496. The cubic root of 133344444 is about 510.8871448827.

Adding to 133344444 its reverse (444443331), we get a palindrome (577787775).

The spelling of 133344444 in words is "one hundred thirty-three million, three hundred forty-four thousand, four hundred forty-four".