133500163 has 8 divisors (see below), whose sum is σ = 138915648. Its totient is φ = 128192064.

The previous prime is 133500161. The next prime is 133500173. The reversal of 133500163 is 361005331.

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 133500163 - 2¹ = 133500161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133500161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24306 + ... + 29287.

It is an arithmetic number, because the mean of its divisors is an integer number (17364456).

Almost surely, 2^133500163 is an apocalyptic number.

133500163 is a deficient number, since it is larger than the sum of its proper divisors (5415485).

133500163 is an equidigital number, since it uses as much as digits as its factorization.

133500163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53693.

The product of its (nonzero) digits is 810, while the sum is 22.

The square root of 133500163 is about 11554.2270619890. The cubic root of 133500163 is about 511.0859380359.

Adding to 133500163 its reverse (361005331), we get a palindrome (494505494).

The spelling of 133500163 in words is "one hundred thirty-three million, five hundred thousand, one hundred sixty-three".