201135169 has 2 divisors, whose sum is σ = 201135170. Its totient is φ = 201135168.

The previous prime is 201135167. The next prime is 201135203. The reversal of 201135169 is 961531102.

201135169 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 106812225 + 94322944 = 10335^2 + 9712^2 .

It is a cyclic number.

It is not a de Polignac number, because 201135169 - 2¹ = 201135167 is a prime.

It is a super-2 number, since 2×201135169² = 80910712417317122, which contains 22 as substring.

Together with 201135167, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (201135167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100567584 + 100567585.

It is an arithmetic number, because the mean of its divisors is an integer number (100567585).

Almost surely, 2^201135169 is an apocalyptic number.

It is an amenable number.

201135169 is a deficient number, since it is larger than the sum of its proper divisors (1).

201135169 is an equidigital number, since it uses as much as digits as its factorization.

201135169 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1620, while the sum is 28.

The square root of 201135169 is about 14182.2131206663. The cubic root of 201135169 is about 585.9078790298.

The spelling of 201135169 in words is "two hundred one million, one hundred thirty-five thousand, one hundred sixty-nine".