135534404069 has 2 divisors, whose sum is σ = 135534404070. Its totient is φ = 135534404068.

The previous prime is 135534404039. The next prime is 135534404101. The reversal of 135534404069 is 960404435531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 135493929025 + 40475044 = 368095^2 + 6362^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-135534404069 is a prime.

It is a super-2 number, since 2×135534404069² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135534404029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67767202034 + 67767202035.

It is an arithmetic number, because the mean of its divisors is an integer number (67767202035).

Almost surely, 2^135534404069 is an apocalyptic number.

It is an amenable number.

135534404069 is a deficient number, since it is larger than the sum of its proper divisors (1).

135534404069 is an equidigital number, since it uses as much as digits as its factorization.

135534404069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 777600, while the sum is 44.

The spelling of 135534404069 in words is "one hundred thirty-five billion, five hundred thirty-four million, four hundred four thousand, sixty-nine".