131886734208701 has 2 divisors, whose sum is σ = 131886734208702. Its totient is φ = 131886734208700.

The previous prime is 131886734208679. The next prime is 131886734208787. The reversal of 131886734208701 is 107802437688131.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 93333935580601 + 38552798628100 = 9660949^2 + 6209090^2 .

It is a cyclic number.

It is not a de Polignac number, because 131886734208701 - 2¹⁰ = 131886734207677 is a prime.

It is a super-2 number, since 2×131886734208701² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131886734202701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65943367104350 + 65943367104351.

It is an arithmetic number, because the mean of its divisors is an integer number (65943367104351).

Almost surely, 2^{131886734208701} is an apocalyptic number.

It is an amenable number.

131886734208701 is a deficient number, since it is larger than the sum of its proper divisors (1).

131886734208701 is an equidigital number, since it uses as much as digits as its factorization.

131886734208701 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10838016, while the sum is 59.

The spelling of 131886734208701 in words is "one hundred thirty-one trillion, eight hundred eighty-six billion, seven hundred thirty-four million, two hundred eight thousand, seven hundred one".