131919084443340 has 60 divisors (see below), whose sum is σ = 413835053795856. Its totient is φ = 35178422517792.

The previous prime is 131919084443297. The next prime is 131919084443353. The reversal of 131919084443340 is 43344480919131.

It is a happy number.

131919084443340 is a `hidden beast` number, since 1 + 3 + 1 + 9 + 1 + 90 + 84 + 4 + 433 + 40 = 666.

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 40715765184 + ... + 40715768423.

Almost surely, 2^{131919084443340} is an apocalyptic number.

131919084443340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131919084443340 is an abundant number, since it is smaller than the sum of its proper divisors (281915969352516).

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

131919084443340 is a wasteful number, since it uses less digits than its factorization.

131919084443340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81431533628 (or 81431533617 counting only the distinct ones).

The product of its (nonzero) digits is 4478976, while the sum is 54.

The spelling of 131919084443340 in words is "one hundred thirty-one trillion, nine hundred nineteen billion, eighty-four million, four hundred forty-three thousand, three hundred forty".