135211150069 has 2 divisors, whose sum is σ = 135211150070. Its totient is φ = 135211150068.

The previous prime is 135211149991. The next prime is 135211150073. The reversal of 135211150069 is 960051112531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 73840997169 + 61370152900 = 271737^2 + 247730^2 .

It is a cyclic number.

It is not a de Polignac number, because 135211150069 - 2¹⁷ = 135211018997 is a prime.

It is a super-2 number, since 2×135211150069² (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 (135211150769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67605575034 + 67605575035.

It is an arithmetic number, because the mean of its divisors is an integer number (67605575035).

Almost surely, 2^135211150069 is an apocalyptic number.

It is an amenable number.

135211150069 is a deficient number, since it is larger than the sum of its proper divisors (1).

135211150069 is an equidigital number, since it uses as much as digits as its factorization.

135211150069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8100, while the sum is 34.

The spelling of 135211150069 in words is "one hundred thirty-five billion, two hundred eleven million, one hundred fifty thousand, sixty-nine".