135741581671 has 2 divisors, whose sum is σ = 135741581672. Its totient is φ = 135741581670.

The previous prime is 135741581663. The next prime is 135741581693. The reversal of 135741581671 is 176185147531.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 135741581671 - 2³ = 135741581663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135741581641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67870790835 + 67870790836.

It is an arithmetic number, because the mean of its divisors is an integer number (67870790836).

Almost surely, 2^135741581671 is an apocalyptic number.

135741581671 is a deficient number, since it is larger than the sum of its proper divisors (1).

135741581671 is an equidigital number, since it uses as much as digits as its factorization.

135741581671 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 705600, while the sum is 49.

The spelling of 135741581671 in words is "one hundred thirty-five billion, seven hundred forty-one million, five hundred eighty-one thousand, six hundred seventy-one".