135529289729 has 2 divisors, whose sum is σ = 135529289730. Its totient is φ = 135529289728.

The previous prime is 135529289617. The next prime is 135529289789. The reversal of 135529289729 is 927982925531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 76455015025 + 59074274704 = 276505^2 + 243052^2 .

It is a cyclic number.

It is not a de Polignac number, because 135529289729 - 2⁸ = 135529289473 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (135529289789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67764644864 + 67764644865.

It is an arithmetic number, because the mean of its divisors is an integer number (67764644865).

Almost surely, 2^135529289729 is an apocalyptic number.

It is an amenable number.

135529289729 is a deficient number, since it is larger than the sum of its proper divisors (1).

135529289729 is an equidigital number, since it uses as much as digits as its factorization.

135529289729 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24494400, while the sum is 62.

The spelling of 135529289729 in words is "one hundred thirty-five billion, five hundred twenty-nine million, two hundred eighty-nine thousand, seven hundred twenty-nine".