133134503 has 16 divisors (see below), whose sum is σ = 141765120. Its totient is φ = 124862400.

The previous prime is 133134479. The next prime is 133134509. The reversal of 133134503 is 305431331.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 133134503 - 2⁶ = 133134439 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133134509) 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 15 ways as a sum of consecutive naturals, for example, 113108 + ... + 114278.

It is an arithmetic number, because the mean of its divisors is an integer number (8860320).

Almost surely, 2^133134503 is an apocalyptic number.

133134503 is a deficient number, since it is larger than the sum of its proper divisors (8630617).

133134503 is a wasteful number, since it uses less digits than its factorization.

133134503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1318.

The product of its (nonzero) digits is 1620, while the sum is 23.

The square root of 133134503 is about 11538.3925656913. The cubic root of 133134503 is about 510.6188859958.

Adding to 133134503 its reverse (305431331), we get a palindrome (438565834).

The spelling of 133134503 in words is "one hundred thirty-three million, one hundred thirty-four thousand, five hundred three".