135454129 has 2 divisors, whose sum is σ = 135454130. Its totient is φ = 135454128.

The previous prime is 135454087. The next prime is 135454169. The reversal of 135454129 is 921454531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 135094129 + 360000 = 11623^2 + 600^2 .

It is an emirp because it is prime and its reverse (921454531) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 135454129 - 2¹¹ = 135452081 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 135454094 and 135454103.

It is not a weakly prime, because it can be changed into another prime (135454169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67727064 + 67727065.

It is an arithmetic number, because the mean of its divisors is an integer number (67727065).

Almost surely, 2^135454129 is an apocalyptic number.

It is an amenable number.

135454129 is a deficient number, since it is larger than the sum of its proper divisors (1).

135454129 is an equidigital number, since it uses as much as digits as its factorization.

135454129 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21600, while the sum is 34.

The square root of 135454129 is about 11638.4762318785. The cubic root of 135454129 is about 513.5673621811.

The spelling of 135454129 in words is "one hundred thirty-five million, four hundred fifty-four thousand, one hundred twenty-nine".