131668806727 has 8 divisors (see below), whose sum is σ = 132863623776. Its totient is φ = 130474509312.

The previous prime is 131668806701. The next prime is 131668806733. The reversal of 131668806727 is 727608866131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 131668806727 - 2¹¹ = 131668804679 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131668806527) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 388503 + ... + 643639.

It is an arithmetic number, because the mean of its divisors is an integer number (16607952972).

Almost surely, 2^131668806727 is an apocalyptic number.

131668806727 is a deficient number, since it is larger than the sum of its proper divisors (1194817049).

131668806727 is a wasteful number, since it uses less digits than its factorization.

131668806727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259817.

The product of its (nonzero) digits is 4064256, while the sum is 55.

The spelling of 131668806727 in words is "one hundred thirty-one billion, six hundred sixty-eight million, eight hundred six thousand, seven hundred twenty-seven".