133210143 has 16 divisors (see below), whose sum is σ = 215289600. Its totient is φ = 80733240.

The previous prime is 133210139. The next prime is 133210171. The reversal of 133210143 is 341012331.

It is not a de Polignac number, because 133210143 - 2² = 133210139 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133210243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 223963 + ... + 224556.

It is an arithmetic number, because the mean of its divisors is an integer number (13455600).

Almost surely, 2^133210143 is an apocalyptic number.

133210143 is a deficient number, since it is larger than the sum of its proper divisors (82079457).

133210143 is a wasteful number, since it uses less digits than its factorization.

133210143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448539 (or 448533 counting only the distinct ones).

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

The square root of 133210143 is about 11541.6698531885. The cubic root of 133210143 is about 510.7155699243.

Adding to 133210143 its reverse (341012331), we get a palindrome (474222474).

It can be divided in two parts, 133 and 210143, that added together give a triangular number (210276 = T₆₄₈).

The spelling of 133210143 in words is "one hundred thirty-three million, two hundred ten thousand, one hundred forty-three".