131587575128065 has 8 divisors (see below), whose sum is σ = 180462960175680. Its totient is φ = 90231480087792.

The previous prime is 131587575128021. The next prime is 131587575128117. The reversal of 131587575128065 is 560821575785131.

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 131587575128065 - 2¹¹ = 131587575126017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 131587575127988 and 131587575128006.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1879822501795 + ... + 1879822501864.

It is an arithmetic number, because the mean of its divisors is an integer number (22557870021960).

Almost surely, 2^{131587575128065} is an apocalyptic number.

It is an amenable number.

131587575128065 is a deficient number, since it is larger than the sum of its proper divisors (48875385047615).

131587575128065 is an equidigital number, since it uses as much as digits as its factorization.

131587575128065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3759645003671.

The product of its (nonzero) digits is 70560000, while the sum is 64.

The spelling of 131587575128065 in words is "one hundred thirty-one trillion, five hundred eighty-seven billion, five hundred seventy-five million, one hundred twenty-eight thousand, sixty-five".