133141303 has 4 divisors (see below), whose sum is σ = 140148760. Its totient is φ = 126133848.

The previous prime is 133141301. The next prime is 133141313. The reversal of 133141303 is 303141331.

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

It is a cyclic number.

It is not a de Polignac number, because 133141303 - 2¹ = 133141301 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19), and also a Moran number because the ratio is a prime number: 7007437 = 133141303 / (1 + 3 + 3 + 1 + 4 + 1 + 3 + 0 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133141301) 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, 3503700 + ... + 3503737.

It is an arithmetic number, because the mean of its divisors is an integer number (35037190).

Almost surely, 2^133141303 is an apocalyptic number.

133141303 is a deficient number, since it is larger than the sum of its proper divisors (7007457).

133141303 is an equidigital number, since it uses as much as digits as its factorization.

133141303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7007456.

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

The square root of 133141303 is about 11538.6872303568. The cubic root of 133141303 is about 510.6275793328.

Adding to 133141303 its reverse (303141331), we get a palindrome (436282634).

The spelling of 133141303 in words is "one hundred thirty-three million, one hundred forty-one thousand, three hundred three".