201135133 has 2 divisors, whose sum is σ = 201135134. Its totient is φ = 201135132.

The previous prime is 201135091. The next prime is 201135149. The reversal of 201135133 is 331531102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 183385764 + 17749369 = 13542^2 + 4213^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201135133 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 201135133.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201135433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100567566 + 100567567.

It is an arithmetic number, because the mean of its divisors is an integer number (100567567).

Almost surely, 2^201135133 is an apocalyptic number.

It is an amenable number.

201135133 is a deficient number, since it is larger than the sum of its proper divisors (1).

201135133 is an equidigital number, since it uses as much as digits as its factorization.

201135133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 270, while the sum is 19.

The square root of 201135133 is about 14182.2118514708. The cubic root of 201135133 is about 585.9078440737.

Adding to 201135133 its reverse (331531102), we get a palindrome (532666235).

It can be divided in two parts, 201135 and 133, that multiplied together give a triangular number (26750955 = T₇₃₁₄).

The spelling of 201135133 in words is "two hundred one million, one hundred thirty-five thousand, one hundred thirty-three".