133140323 has 8 divisors (see below), whose sum is σ = 136200192. Its totient is φ = 130112136.

The previous prime is 133140269. The next prime is 133140349. The reversal of 133140323 is 323041331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 133140323 - 2¹⁰ = 133139299 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 133140295 and 133140304.

It is not an unprimeable number, because it can be changed into a prime (133140373) 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 7 ways as a sum of consecutive naturals, for example, 686 + ... + 16332.

It is an arithmetic number, because the mean of its divisors is an integer number (17025024).

Almost surely, 2^133140323 is an apocalyptic number.

133140323 is a deficient number, since it is larger than the sum of its proper divisors (3059869).

133140323 is a wasteful number, since it uses less digits than its factorization.

133140323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15841.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 133140323 is about 11538.6447644427. The cubic root of 133140323 is about 510.6263264878.

Adding to 133140323 its reverse (323041331), we get a palindrome (456181654).

The spelling of 133140323 in words is "one hundred thirty-three million, one hundred forty thousand, three hundred twenty-three".