135170129 has 2 divisors, whose sum is σ = 135170130. Its totient is φ = 135170128.

The previous prime is 135170117. The next prime is 135170159. The reversal of 135170129 is 921071531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 113529025 + 21641104 = 10655^2 + 4652^2 .

It is a cyclic number.

It is not a de Polignac number, because 135170129 - 2¹² = 135166033 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (135170159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67585064 + 67585065.

It is an arithmetic number, because the mean of its divisors is an integer number (67585065).

Almost surely, 2^135170129 is an apocalyptic number.

It is an amenable number.

135170129 is a deficient number, since it is larger than the sum of its proper divisors (1).

135170129 is an equidigital number, since it uses as much as digits as its factorization.

135170129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1890, while the sum is 29.

The square root of 135170129 is about 11626.2689199932. The cubic root of 135170129 is about 513.2081872456.

The spelling of 135170129 in words is "one hundred thirty-five million, one hundred seventy thousand, one hundred twenty-nine".