201000140 has 24 divisors (see below), whose sum is σ = 460473552. Its totient is φ = 73090880.

The previous prime is 201000139. The next prime is 201000161. The reversal of 201000140 is 41000102.

201000140 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 456599 + ... + 457038.

It is an arithmetic number, because the mean of its divisors is an integer number (19186398).

Almost surely, 2^201000140 is an apocalyptic number.

201000140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201000140 is an abundant number, since it is smaller than the sum of its proper divisors (259473412).

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

201000140 is a wasteful number, since it uses less digits than its factorization.

201000140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 913657 (or 913655 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 8.

The square root of 201000140 is about 14177.4518161763. The cubic root of 201000140 is about 585.7767362662.

Adding to 201000140 its reverse (41000102), we get a palindrome (242000242).

The spelling of 201000140 in words is "two hundred one million, one hundred forty", and thus it is an aban number.