201534133 has 8 divisors (see below), whose sum is σ = 215348760. Its totient is φ = 187937280.

The previous prime is 201534089. The next prime is 201534161. The reversal of 201534133 is 331435102.

It can be written as a sum of positive squares in 4 ways, for example, as 116488849 + 85045284 = 10793^2 + 9222^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 201534133 - 2⁹ = 201533621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201534233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52528 + ... + 56233.

It is an arithmetic number, because the mean of its divisors is an integer number (26918595).

Almost surely, 2^201534133 is an apocalyptic number.

It is an amenable number.

201534133 is a deficient number, since it is larger than the sum of its proper divisors (13814627).

201534133 is a wasteful number, since it uses less digits than its factorization.

201534133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108887.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 201534133 is about 14196.2717993141. The cubic root of 201534133 is about 586.2950179635.

Adding to 201534133 its reverse (331435102), we get a palindrome (532969235).

The spelling of 201534133 in words is "two hundred one million, five hundred thirty-four thousand, one hundred thirty-three".