135765197671 has 2 divisors, whose sum is σ = 135765197672. Its totient is φ = 135765197670.

The previous prime is 135765197609. The next prime is 135765197731. The reversal of 135765197671 is 176791567531.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 135765197671 - 2⁷ = 135765197543 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135765197171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67882598835 + 67882598836.

It is an arithmetic number, because the mean of its divisors is an integer number (67882598836).

Almost surely, 2^135765197671 is an apocalyptic number.

135765197671 is a deficient number, since it is larger than the sum of its proper divisors (1).

135765197671 is an equidigital number, since it uses as much as digits as its factorization.

135765197671 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8334900, while the sum is 58.

The spelling of 135765197671 in words is "one hundred thirty-five billion, seven hundred sixty-five million, one hundred ninety-seven thousand, six hundred seventy-one".