201140042 has 16 divisors (see below), whose sum is σ = 321420960. Its totient is φ = 94127472.

The previous prime is 201140041. The next prime is 201140053. The reversal of 201140042 is 240041102.

201140042 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 201139999 and 201140026.

It is not an unprimeable number, because it can be changed into a prime (201140041) 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, 28733 + ... + 35040.

It is an arithmetic number, because the mean of its divisors is an integer number (20088810).

Almost surely, 2^201140042 is an apocalyptic number.

201140042 is a deficient number, since it is larger than the sum of its proper divisors (120280918).

201140042 is a wasteful number, since it uses less digits than its factorization.

201140042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63877.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 201140042 is about 14182.3849193286. The cubic root of 201140042 is about 585.9126106837.

Adding to 201140042 its reverse (240041102), we get a palindrome (441181144).

The spelling of 201140042 in words is "two hundred one million, one hundred forty thousand, forty-two".