201140140 has 24 divisors (see below), whose sum is σ = 433811952. Its totient is φ = 78281280.

The previous prime is 201140131. The next prime is 201140171. The reversal of 201140140 is 41041102.

It is a self number, because there is not a number n which added to its sum of digits gives 201140140.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135166 + ... + 136645.

It is an arithmetic number, because the mean of its divisors is an integer number (18075498).

Almost surely, 2^201140140 is an apocalyptic number.

201140140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201140140 is an abundant number, since it is smaller than the sum of its proper divisors (232671812).

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

201140140 is a wasteful number, since it uses less digits than its factorization.

201140140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271857 (or 271855 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 201140140 is about 14182.3883743183. The cubic root of 201140140 is about 585.9127058403.

Adding to 201140140 its reverse (41041102), we get a palindrome (242181242).

The spelling of 201140140 in words is "two hundred one million, one hundred forty thousand, one hundred forty".