133943163 has 8 divisors (see below), whose sum is σ = 179006976. Its totient is φ = 89087400.

The previous prime is 133943111. The next prime is 133943171. The reversal of 133943163 is 361349331.

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

It is not a de Polignac number, because 133943163 - 2⁹ = 133942651 is a prime.

It is not an unprimeable number, because it can be changed into a prime (133943263) 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, 50503 + ... + 53088.

It is an arithmetic number, because the mean of its divisors is an integer number (22375872).

Almost surely, 2^133943163 is an apocalyptic number.

133943163 is a deficient number, since it is larger than the sum of its proper divisors (45063813).

133943163 is a wasteful number, since it uses less digits than its factorization.

133943163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104025.

The product of its digits is 17496, while the sum is 33.

The square root of 133943163 is about 11573.3816579252. The cubic root of 133943163 is about 511.6506342111.

The spelling of 133943163 in words is "one hundred thirty-three million, nine hundred forty-three thousand, one hundred sixty-three".