135655083754529 has 2 divisors, whose sum is σ = 135655083754530. Its totient is φ = 135655083754528.

The previous prime is 135655083754481. The next prime is 135655083754559. The reversal of 135655083754529 is 925457380556531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 111339385855504 + 24315697899025 = 10551748^2 + 4931095^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-135655083754529 is a prime.

It is a super-2 number, since 2×135655083754529² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (135655083754559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67827541877264 + 67827541877265.

It is an arithmetic number, because the mean of its divisors is an integer number (67827541877265).

It is a 1-persistent number, because it is pandigital, but 2⋅135655083754529 = 271310167509058 is not.

Almost surely, 2^{135655083754529} is an apocalyptic number.

It is an amenable number.

135655083754529 is a deficient number, since it is larger than the sum of its proper divisors (1).

135655083754529 is an equidigital number, since it uses as much as digits as its factorization.

135655083754529 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 680400000, while the sum is 68.

The spelling of 135655083754529 in words is "one hundred thirty-five trillion, six hundred fifty-five billion, eighty-three million, seven hundred fifty-four thousand, five hundred twenty-nine".