131988167804 has 12 divisors (see below), whose sum is σ = 230992750128. Its totient is φ = 65990239200.

The previous prime is 131988167803. The next prime is 131988167813. The reversal of 131988167804 is 408761889131.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 131988167804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131988167803) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 883232 + ... + 1021799.

It is an arithmetic number, because the mean of its divisors is an integer number (19249395844).

Almost surely, 2^131988167804 is an apocalyptic number.

It is an amenable number.

131988167804 is a deficient number, since it is larger than the sum of its proper divisors (99004582324).

131988167804 is a wasteful number, since it uses less digits than its factorization.

131988167804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1922356 (or 1922354 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 56.

The spelling of 131988167804 in words is "one hundred thirty-one billion, nine hundred eighty-eight million, one hundred sixty-seven thousand, eight hundred four".