131637471841 has 2 divisors, whose sum is σ = 131637471842. Its totient is φ = 131637471840.

The previous prime is 131637471733. The next prime is 131637471857. The reversal of 131637471841 is 148174736131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 100733238225 + 30904233616 = 317385^2 + 175796^2 .

It is a cyclic number.

It is not a de Polignac number, because 131637471841 - 2¹⁹ = 131636947553 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 131637471791 and 131637471800.

It is not a weakly prime, because it can be changed into another prime (131637475841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65818735920 + 65818735921.

It is an arithmetic number, because the mean of its divisors is an integer number (65818735921).

Almost surely, 2^131637471841 is an apocalyptic number.

It is an amenable number.

131637471841 is a deficient number, since it is larger than the sum of its proper divisors (1).

131637471841 is an equidigital number, since it uses as much as digits as its factorization.

131637471841 is an evil number, because the sum of its binary digits is even.

The product of its digits is 338688, while the sum is 46.

The spelling of 131637471841 in words is "one hundred thirty-one billion, six hundred thirty-seven million, four hundred seventy-one thousand, eight hundred forty-one".