135959757727 has 2 divisors, whose sum is σ = 135959757728. Its totient is φ = 135959757726.

The previous prime is 135959757677. The next prime is 135959757751. The reversal of 135959757727 is 727757959531.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 135959757727 - 2⁷ = 135959757599 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135959757757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67979878863 + 67979878864.

It is an arithmetic number, because the mean of its divisors is an integer number (67979878864).

Almost surely, 2^135959757727 is an apocalyptic number.

135959757727 is a deficient number, since it is larger than the sum of its proper divisors (1).

135959757727 is an equidigital number, since it uses as much as digits as its factorization.

135959757727 is an evil number, because the sum of its binary digits is even.

The product of its digits is 145860750, while the sum is 67.

The spelling of 135959757727 in words is "one hundred thirty-five billion, nine hundred fifty-nine million, seven hundred fifty-seven thousand, seven hundred twenty-seven".