133532163 has 12 divisors (see below), whose sum is σ = 196149720. Its totient is φ = 87512256.

The previous prime is 133532137. The next prime is 133532167. The reversal of 133532163 is 361235331.

It is a happy number.

133532163 is a `hidden beast` number, since 1 + 335 + 321 + 6 + 3 = 666.

It is not a de Polignac number, because 133532163 - 2⁵ = 133532131 is a prime.

It is not an unprimeable number, because it can be changed into a prime (133532167) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 125206 + ... + 126267.

It is an arithmetic number, because the mean of its divisors is an integer number (16345810).

Almost surely, 2^133532163 is an apocalyptic number.

133532163 is a deficient number, since it is larger than the sum of its proper divisors (62617557).

133532163 is a wasteful number, since it uses less digits than its factorization.

133532163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251538 (or 251535 counting only the distinct ones).

The product of its digits is 4860, while the sum is 27.

The square root of 133532163 is about 11555.6117536027. The cubic root of 133532163 is about 511.1267705540.

Adding to 133532163 its reverse (361235331), we get a palindrome (494767494).

The spelling of 133532163 in words is "one hundred thirty-three million, five hundred thirty-two thousand, one hundred sixty-three".