133502663 has 8 divisors (see below), whose sum is σ = 155160960. Its totient is φ = 112491000.

The previous prime is 133502609. The next prime is 133502669. The reversal of 133502663 is 366205331.

It is a happy number.

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 133502663 - 2⁶ = 133502599 is a prime.

It is a super-2 number, since 2×133502663² = 35645922056183138, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133502669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 161213 + ... + 162038.

It is an arithmetic number, because the mean of its divisors is an integer number (19395120).

Almost surely, 2^133502663 is an apocalyptic number.

133502663 is a deficient number, since it is larger than the sum of its proper divisors (21658297).

133502663 is an equidigital number, since it uses as much as digits as its factorization.

133502663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323317.

The product of its (nonzero) digits is 9720, while the sum is 29.

The square root of 133502663 is about 11554.3352469971. The cubic root of 133502663 is about 511.0891283113.

Adding to 133502663 its reverse (366205331), we get a palindrome (499707994).

The spelling of 133502663 in words is "one hundred thirty-three million, five hundred two thousand, six hundred sixty-three".