201135163 has 4 divisors (see below), whose sum is σ = 202297968. Its totient is φ = 199972360.

The previous prime is 201135149. The next prime is 201135167. The reversal of 201135163 is 361531102.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 361531102 = 2 ⋅180765551.

It is a cyclic number.

It is not a de Polignac number, because 201135163 - 2²⁵ = 167580731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201135167) 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 3 ways as a sum of consecutive naturals, for example, 581143 + ... + 581488.

It is an arithmetic number, because the mean of its divisors is an integer number (50574492).

Almost surely, 2^201135163 is an apocalyptic number.

201135163 is a deficient number, since it is larger than the sum of its proper divisors (1162805).

201135163 is a wasteful number, since it uses less digits than its factorization.

201135163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1162804.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 201135163 is about 14182.2129091338. The cubic root of 201135163 is about 585.9078732038.

Adding to 201135163 its reverse (361531102), we get a palindrome (562666265).

The spelling of 201135163 in words is "two hundred one million, one hundred thirty-five thousand, one hundred sixty-three".