201140342 has 16 divisors (see below), whose sum is σ = 332845632. Its totient is φ = 90569280.

The previous prime is 201140341. The next prime is 201140347. The reversal of 201140342 is 243041102.

It is a self number, because there is not a number n which added to its sum of digits gives 201140342.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201140341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93278 + ... + 95409.

It is an arithmetic number, because the mean of its divisors is an integer number (20802852).

Almost surely, 2^201140342 is an apocalyptic number.

201140342 is a deficient number, since it is larger than the sum of its proper divisors (131705290).

201140342 is a wasteful number, since it uses less digits than its factorization.

201140342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188743.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 201140342 is about 14182.3954958251. The cubic root of 201140342 is about 585.9129019794.

Adding to 201140342 its reverse (243041102), we get a palindrome (444181444).

The spelling of 201140342 in words is "two hundred one million, one hundred forty thousand, three hundred forty-two".