208710136147 has 8 divisors (see below), whose sum is σ = 215452762112. Its totient is φ = 201968137800.

The previous prime is 208710136111. The next prime is 208710136177. The reversal of 208710136147 is 741631017802.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 208710136147 - 2¹⁵ = 208710103379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (208710136177) 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, 572872 + ... + 863482.

It is an arithmetic number, because the mean of its divisors is an integer number (26931595264).

Almost surely, 2^208710136147 is an apocalyptic number.

208710136147 is a deficient number, since it is larger than the sum of its proper divisors (6742625965).

208710136147 is a wasteful number, since it uses less digits than its factorization.

208710136147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313809.

The product of its (nonzero) digits is 56448, while the sum is 40.

The spelling of 208710136147 in words is "two hundred eight billion, seven hundred ten million, one hundred thirty-six thousand, one hundred forty-seven".