188810139308 has 24 divisors (see below), whose sum is σ = 377915596800. Its totient is φ = 80855348688.

The previous prime is 188810139281. The next prime is 188810139341. The reversal of 188810139308 is 803931018881.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2600318 + ... + 2671941.

It is an arithmetic number, because the mean of its divisors is an integer number (15746483200).

Almost surely, 2^188810139308 is an apocalyptic number.

It is an amenable number.

188810139308 is an abundant number, since it is smaller than the sum of its proper divisors (189105457492).

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

188810139308 is a wasteful number, since it uses less digits than its factorization.

188810139308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5273549 (or 5273547 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 50.

The spelling of 188810139308 in words is "one hundred eighty-eight billion, eight hundred ten million, one hundred thirty-nine thousand, three hundred eight".