131583678669 has 12 divisors (see below), whose sum is σ = 190299683392. Its totient is φ = 87614281800.

The previous prime is 131583678631. The next prime is 131583678689. The reversal of 131583678669 is 966876385131.

131583678669 is a `hidden beast` number, since 131 + 5 + 8 + 367 + 86 + 69 = 666.

It is not a de Polignac number, because 131583678669 - 2⁹ = 131583678157 is a prime.

It is a super-2 number, since 2×131583678669² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131583678689) 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 11 ways as a sum of consecutive naturals, for example, 9006517 + ... + 9021114.

Almost surely, 2^131583678669 is an apocalyptic number.

It is an amenable number.

131583678669 is a deficient number, since it is larger than the sum of its proper divisors (58716004723).

131583678669 is a wasteful number, since it uses less digits than its factorization.

131583678669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18028448 (or 18028445 counting only the distinct ones).

The product of its digits is 39191040, while the sum is 63.

The spelling of 131583678669 in words is "one hundred thirty-one billion, five hundred eighty-three million, six hundred seventy-eight thousand, six hundred sixty-nine".