208135068 has 24 divisors (see below), whose sum is σ = 485994768. Its totient is φ = 69328896.

The previous prime is 208135061. The next prime is 208135069. The reversal of 208135068 is 860531802.

It is a happy number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (208135061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13980 + ... + 24732.

It is an arithmetic number, because the mean of its divisors is an integer number (20249782).

Almost surely, 2^208135068 is an apocalyptic number.

It is an amenable number.

208135068 is an abundant number, since it is smaller than the sum of its proper divisors (277859700).

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

208135068 is a wasteful number, since it uses less digits than its factorization.

208135068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12373 (or 12371 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 208135068 is about 14426.8869822980. The cubic root of 208135068 is about 592.6274354245.

The spelling of 208135068 in words is "two hundred eight million, one hundred thirty-five thousand, sixty-eight".