133201143 has 12 divisors (see below), whose sum is σ = 196876680. Its totient is φ = 86735376.

The previous prime is 133201099. The next prime is 133201151. The reversal of 133201143 is 341102331.

It is not a de Polignac number, because 133201143 - 2¹² = 133197047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133201543) 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 11 ways as a sum of consecutive naturals, for example, 171708 + ... + 172481.

It is an arithmetic number, because the mean of its divisors is an integer number (16406390).

Almost surely, 2^133201143 is an apocalyptic number.

133201143 is a deficient number, since it is larger than the sum of its proper divisors (63675537).

133201143 is a wasteful number, since it uses less digits than its factorization.

133201143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344238 (or 344235 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 133201143 is about 11541.2799550137. The cubic root of 133201143 is about 510.7040679382.

Adding to 133201143 its reverse (341102331), we get a palindrome (474303474).

The spelling of 133201143 in words is "one hundred thirty-three million, two hundred one thousand, one hundred forty-three".