135631347941 has 2 divisors, whose sum is σ = 135631347942. Its totient is φ = 135631347940.

The previous prime is 135631347893. The next prime is 135631348001. The reversal of 135631347941 is 149743136531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 94282158916 + 41349189025 = 307054^2 + 203345^2 .

It is a cyclic number.

It is not a de Polignac number, because 135631347941 - 2²⁶ = 135564239077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135631347041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67815673970 + 67815673971.

It is an arithmetic number, because the mean of its divisors is an integer number (67815673971).

Almost surely, 2^135631347941 is an apocalyptic number.

It is an amenable number.

135631347941 is a deficient number, since it is larger than the sum of its proper divisors (1).

135631347941 is an equidigital number, since it uses as much as digits as its factorization.

135631347941 is an evil number, because the sum of its binary digits is even.

The product of its digits is 816480, while the sum is 47.

The spelling of 135631347941 in words is "one hundred thirty-five billion, six hundred thirty-one million, three hundred forty-seven thousand, nine hundred forty-one".