135536405029 has 2 divisors, whose sum is σ = 135536405030. Its totient is φ = 135536405028.

The previous prime is 135536405027. The next prime is 135536405047. The reversal of 135536405029 is 920504635531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 131407700004 + 4128705025 = 362502^2 + 64255^2 .

It is a cyclic number.

It is not a de Polignac number, because 135536405029 - 2¹ = 135536405027 is a prime.

Together with 135536405027, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135536405023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67768202514 + 67768202515.

It is an arithmetic number, because the mean of its divisors is an integer number (67768202515).

Almost surely, 2^135536405029 is an apocalyptic number.

It is an amenable number.

135536405029 is a deficient number, since it is larger than the sum of its proper divisors (1).

135536405029 is an equidigital number, since it uses as much as digits as its factorization.

135536405029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 486000, while the sum is 43.

The spelling of 135536405029 in words is "one hundred thirty-five billion, five hundred thirty-six million, four hundred five thousand, twenty-nine".