208126140 has 48 divisors (see below), whose sum is σ = 585715200. Its totient is φ = 55218240.

The previous prime is 208126129. The next prime is 208126159. The reversal of 208126140 is 41621802.

208126140 is digitally balanced in base 2, 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 208126140.

It is a congruent number.

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, 3225 + ... + 20655.

It is an arithmetic number, because the mean of its divisors is an integer number (12202400).

Almost surely, 2^208126140 is an apocalyptic number.

208126140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

208126140 is an abundant number, since it is smaller than the sum of its proper divisors (377589060).

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

208126140 is a wasteful number, since it uses less digits than its factorization.

208126140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17642 (or 17640 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 208126140 is about 14426.5775567180. The cubic root of 208126140 is about 592.6189616748.

Adding to 208126140 its reverse (41621802), we get a palindrome (249747942).

The spelling of 208126140 in words is "two hundred eight million, one hundred twenty-six thousand, one hundred forty".