1000133163 has 20 divisors (see below), whose sum is σ = 1525819680. Its totient is φ = 652566672.

The previous prime is 1000133149. The next prime is 1000133177. The reversal of 1000133163 is 3613310001.

It is an interprime number because it is at equal distance from previous prime (1000133149) and next prime (1000133177).

It is not a de Polignac number, because 1000133163 - 2²⁶ = 933024299 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1000133263) 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 19 ways as a sum of consecutive naturals, for example, 127548 + ... + 135161.

It is an arithmetic number, because the mean of its divisors is an integer number (76290984).

Almost surely, 2^1000133163 is an apocalyptic number.

1000133163 is a deficient number, since it is larger than the sum of its proper divisors (525686517).

1000133163 is an equidigital number, since it uses as much as digits as its factorization.

1000133163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262768 (or 262759 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

The square root of 1000133163 is about 31624.8820234954. The cubic root of 1000133163 is about 1000.0443856965.

Adding to 1000133163 its reverse (3613310001), we get a palindrome (4613443164).

The spelling of 1000133163 in words is "one billion, one hundred thirty-three thousand, one hundred sixty-three".