133310143 has 4 divisors (see below), whose sum is σ = 133736368. Its totient is φ = 132883920.

The previous prime is 133310083. The next prime is 133310159. The reversal of 133310143 is 341013331.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133310143 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 133310143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133310173) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 212643 + ... + 213268.

It is an arithmetic number, because the mean of its divisors is an integer number (33434092).

Almost surely, 2^133310143 is an apocalyptic number.

133310143 is a deficient number, since it is larger than the sum of its proper divisors (426225).

133310143 is an equidigital number, since it uses as much as digits as its factorization.

133310143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426224.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 133310143 is about 11546.0011692360. The cubic root of 133310143 is about 510.8433349264.

Adding to 133310143 its reverse (341013331), we get a palindrome (474323474).

It can be divided in two parts, 1333 and 10143, that added together give a triangular number (11476 = T₁₅₁).

The spelling of 133310143 in words is "one hundred thirty-three million, three hundred ten thousand, one hundred forty-three".