131886351047189 has 2 divisors, whose sum is σ = 131886351047190. Its totient is φ = 131886351047188.

The previous prime is 131886351047131. The next prime is 131886351047197. The reversal of 131886351047189 is 981740153688131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 129293500732900 + 2592850314289 = 11370730^2 + 1610233^2 .

It is a cyclic number.

It is not a de Polignac number, because 131886351047189 - 2⁴⁰ = 130786839419413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131886351047989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65943175523594 + 65943175523595.

It is an arithmetic number, because the mean of its divisors is an integer number (65943175523595).

Almost surely, 2^{131886351047189} is an apocalyptic number.

It is an amenable number.

131886351047189 is a deficient number, since it is larger than the sum of its proper divisors (1).

131886351047189 is an equidigital number, since it uses as much as digits as its factorization.

131886351047189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34836480, while the sum is 65.

The spelling of 131886351047189 in words is "one hundred thirty-one trillion, eight hundred eighty-six billion, three hundred fifty-one million, forty-seven thousand, one hundred eighty-nine".