131649945773895 has 12 divisors (see below), whose sum is σ = 228193239341496. Its totient is φ = 70213304412720.

The previous prime is 131649945773873. The next prime is 131649945773939. The reversal of 131649945773895 is 598377549946131.

131649945773895 is a `hidden beast` number, since 1 + 3 + 1 + 6 + 4 + 9 + 9 + 4 + 577 + 38 + 9 + 5 = 666.

It is not a de Polignac number, because 131649945773895 - 2⁷ = 131649945773767 is a prime.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 1462777175221 + ... + 1462777175310.

It is an arithmetic number, because the mean of its divisors is an integer number (19016103278458).

Almost surely, 2^{131649945773895} is an apocalyptic number.

131649945773895 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

131649945773895 is a deficient number, since it is larger than the sum of its proper divisors (96543293567601).

131649945773895 is a wasteful number, since it uses less digits than its factorization.

131649945773895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2925554350542 (or 2925554350539 counting only the distinct ones).

The product of its digits is 6172588800, while the sum is 81.

The spelling of 131649945773895 in words is "one hundred thirty-one trillion, six hundred forty-nine billion, nine hundred forty-five million, seven hundred seventy-three thousand, eight hundred ninety-five".