131285819364904 has 16 divisors (see below), whose sum is σ = 247190873284800. Its totient is φ = 65368253155632.

The previous prime is 131285819364893. The next prime is 131285819364907. The reversal of 131285819364904 is 409463918582131.

It is not an unprimeable number, because it can be changed into a prime (131285819364907) 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, 34332063822 + ... + 34332067645.

It is an arithmetic number, because the mean of its divisors is an integer number (15449429580300).

Almost surely, 2^{131285819364904} is an apocalyptic number.

It is an amenable number.

131285819364904 is a deficient number, since it is larger than the sum of its proper divisors (115905053919896).

131285819364904 is a wasteful number, since it uses less digits than its factorization.

131285819364904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68664131712 (or 68664131708 counting only the distinct ones).

The product of its (nonzero) digits is 44789760, while the sum is 64.

The spelling of 131285819364904 in words is "one hundred thirty-one trillion, two hundred eighty-five billion, eight hundred nineteen million, three hundred sixty-four thousand, nine hundred four".