201835140 has 48 divisors (see below), whose sum is σ = 608612928. Its totient is φ = 49682304.

The previous prime is 201835133. The next prime is 201835171. The reversal of 201835140 is 41538102.

201835140 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 201835140.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 128602 + ... + 130161.

It is an arithmetic number, because the mean of its divisors is an integer number (12679436).

Almost surely, 2^201835140 is an apocalyptic number.

201835140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201835140 is an abundant number, since it is smaller than the sum of its proper divisors (406777788).

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

201835140 is a wasteful number, since it uses less digits than its factorization.

201835140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258788 (or 258786 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 201835140 is about 14206.8694651566. The cubic root of 201835140 is about 586.5867652604.

The spelling of 201835140 in words is "two hundred one million, eight hundred thirty-five thousand, one hundred forty".