133144203 has 4 divisors (see below), whose sum is σ = 177525608. Its totient is φ = 88762800.

The previous prime is 133144169. The next prime is 133144243. The reversal of 133144203 is 302441331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 302441331 = 3 ⋅100813777.

It is not a de Polignac number, because 133144203 - 2⁸ = 133143947 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 133144203.

It is not an unprimeable number, because it can be changed into a prime (133144243) 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 3 ways as a sum of consecutive naturals, for example, 22190698 + ... + 22190703.

It is an arithmetic number, because the mean of its divisors is an integer number (44381402).

Almost surely, 2^133144203 is an apocalyptic number.

133144203 is a deficient number, since it is larger than the sum of its proper divisors (44381405).

133144203 is an equidigital number, since it uses as much as digits as its factorization.

133144203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44381404.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 133144203 is about 11538.8128938812. The cubic root of 133144203 is about 510.6312866954.

Adding to 133144203 its reverse (302441331), we get a palindrome (435585534).

The spelling of 133144203 in words is "one hundred thirty-three million, one hundred forty-four thousand, two hundred three".