201135266 has 8 divisors (see below), whose sum is σ = 301781484. Its totient is φ = 100541440.

The previous prime is 201135257. The next prime is 201135269. The reversal of 201135266 is 662531102.

It can be written as a sum of positive squares in 2 ways, for example, as 183738025 + 17397241 = 13555^2 + 4171^2 .

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

It is not an unprimeable number, because it can be changed into a prime (201135269) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1415 + ... + 20106.

Almost surely, 2^201135266 is an apocalyptic number.

201135266 is a deficient number, since it is larger than the sum of its proper divisors (100646218).

201135266 is a wasteful number, since it uses less digits than its factorization.

201135266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26196.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 201135266 is about 14182.2165404425. The cubic root of 201135266 is about 585.9079732169.

Adding to 201135266 its reverse (662531102), we get a palindrome (863666368).

The spelling of 201135266 in words is "two hundred one million, one hundred thirty-five thousand, two hundred sixty-six".