133201144 has 8 divisors (see below), whose sum is σ = 249752160. Its totient is φ = 66600568.

The previous prime is 133201099. The next prime is 133201151. The reversal of 133201144 is 441102331.

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

It is a zygodrome in base 2.

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 as a sum of consecutive naturals, namely, 8325064 + ... + 8325079.

It is an arithmetic number, because the mean of its divisors is an integer number (31219020).

Almost surely, 2^133201144 is an apocalyptic number.

It is an amenable number.

133201144 is a deficient number, since it is larger than the sum of its proper divisors (116551016).

133201144 is a wasteful number, since it uses less digits than its factorization.

133201144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16650149 (or 16650145 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 133201144 is about 11541.2799983364. The cubic root of 133201144 is about 510.7040692162.

Adding to 133201144 its reverse (441102331), we get a palindrome (574303475).

The spelling of 133201144 in words is "one hundred thirty-three million, two hundred one thousand, one hundred forty-four".