135761671 has 2 divisors, whose sum is σ = 135761672. Its totient is φ = 135761670.

The previous prime is 135761653. The next prime is 135761683. The reversal of 135761671 is 176167531.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-135761671 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 135761671.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135761611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67880835 + 67880836.

It is an arithmetic number, because the mean of its divisors is an integer number (67880836).

Almost surely, 2^135761671 is an apocalyptic number.

135761671 is a deficient number, since it is larger than the sum of its proper divisors (1).

135761671 is an equidigital number, since it uses as much as digits as its factorization.

135761671 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 26460, while the sum is 37.

The square root of 135761671 is about 11651.6810375156. The cubic root of 135761671 is about 513.9557449521.

The spelling of 135761671 in words is "one hundred thirty-five million, seven hundred sixty-one thousand, six hundred seventy-one".