208932485136 has 40 divisors (see below), whose sum is σ = 544786586784. Its totient is φ = 68993280000.

The previous prime is 208932485123. The next prime is 208932485143. The reversal of 208932485136 is 631584239802.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20334865 + ... + 20345136.

Almost surely, 2^208932485136 is an apocalyptic number.

It is an amenable number.

208932485136 is an abundant number, since it is smaller than the sum of its proper divisors (335854101648).

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

208932485136 is a wasteful number, since it uses less digits than its factorization.

208932485136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40680119 (or 40680113 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 51.

The spelling of 208932485136 in words is "two hundred eight billion, nine hundred thirty-two million, four hundred eighty-five thousand, one hundred thirty-six".