208158713 has 12 divisors (see below), whose sum is σ = 242387712. Its totient is φ = 178242120.

The previous prime is 208158701. The next prime is 208158733. The reversal of 208158713 is 317851802.

It is not a de Polignac number, because 208158713 - 2¹⁸ = 207896569 is a prime.

It is not an unprimeable number, because it can be changed into a prime (208158733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 75428 + ... + 78138.

It is an arithmetic number, because the mean of its divisors is an integer number (20198976).

Almost surely, 2^208158713 is an apocalyptic number.

It is an amenable number.

208158713 is a deficient number, since it is larger than the sum of its proper divisors (34228999).

208158713 is a wasteful number, since it uses less digits than its factorization.

208158713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4292 (or 4285 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 35.

The square root of 208158713 is about 14427.7064358823. The cubic root of 208158713 is about 592.6498762130.

The spelling of 208158713 in words is "two hundred eight million, one hundred fifty-eight thousand, seven hundred thirteen".