131587575128063 has 4 divisors (see below), whose sum is σ = 131811744762600. Its totient is φ = 131363405493528.

The previous prime is 131587575128021. The next prime is 131587575128117. The reversal of 131587575128063 is 360821575785131.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 131587575128063 - 2¹⁴ = 131587575111679 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131587575127987 and 131587575128005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131587575188063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112084816388 + ... + 112084817561.

It is an arithmetic number, because the mean of its divisors is an integer number (32952936190650).

Almost surely, 2^{131587575128063} is an apocalyptic number.

131587575128063 is a deficient number, since it is larger than the sum of its proper divisors (224169634537).

131587575128063 is an equidigital number, since it uses as much as digits as its factorization.

131587575128063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224169634536.

The product of its (nonzero) digits is 42336000, while the sum is 62.

The spelling of 131587575128063 in words is "one hundred thirty-one trillion, five hundred eighty-seven billion, five hundred seventy-five million, one hundred twenty-eight thousand, sixty-three".