201141534 has 16 divisors (see below), whose sum is σ = 438854400. Its totient is φ = 60951960.

The previous prime is 201141517. The next prime is 201141539. The reversal of 201141534 is 435141102.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 201141534.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201141539) 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, 1523734 + ... + 1523865.

It is an arithmetic number, because the mean of its divisors is an integer number (27428400).

Almost surely, 2^201141534 is an apocalyptic number.

201141534 is an abundant number, since it is smaller than the sum of its proper divisors (237712866).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201141534 is a wasteful number, since it uses less digits than its factorization.

201141534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3047615.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 201141534 is about 14182.4375196932. The cubic root of 201141534 is about 585.9140593915.

Adding to 201141534 its reverse (435141102), we get a palindrome (636282636).

The spelling of 201141534 in words is "two hundred one million, one hundred forty-one thousand, five hundred thirty-four".