131919386884 has 12 divisors (see below), whose sum is σ = 230863710924. Its totient is φ = 65958326624.

The previous prime is 131919386873. The next prime is 131919386899. The reversal of 131919386884 is 488683919131.

It can be written as a sum of positive squares in 2 ways, for example, as 92250697984 + 39668688900 = 303728^2 + 199170^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106567 + ... + 524590.

It is an arithmetic number, because the mean of its divisors is an integer number (19238642577).

Almost surely, 2^131919386884 is an apocalyptic number.

It is an amenable number.

131919386884 is a deficient number, since it is larger than the sum of its proper divisors (98944324040).

131919386884 is a wasteful number, since it uses less digits than its factorization.

131919386884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 683414 (or 683412 counting only the distinct ones).

The product of its digits is 8957952, while the sum is 61.

The spelling of 131919386884 in words is "one hundred thirty-one billion, nine hundred nineteen million, three hundred eighty-six thousand, eight hundred eighty-four".