135170069 has 2 divisors, whose sum is σ = 135170070. Its totient is φ = 135170068.

The previous prime is 135170053. The next prime is 135170081. The reversal of 135170069 is 960071531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 91107025 + 44063044 = 9545^2 + 6638^2 .

It is a cyclic number.

It is not a de Polignac number, because 135170069 - 2⁴ = 135170053 is a prime.

It is a super-2 number, since 2×135170069² = 36541895106929522, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135170039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67585034 + 67585035.

It is an arithmetic number, because the mean of its divisors is an integer number (67585035).

Almost surely, 2^135170069 is an apocalyptic number.

It is an amenable number.

135170069 is a deficient number, since it is larger than the sum of its proper divisors (1).

135170069 is an equidigital number, since it uses as much as digits as its factorization.

135170069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5670, while the sum is 32.

The square root of 135170069 is about 11626.2663396294. The cubic root of 135170069 is about 513.2081113105.

The spelling of 135170069 in words is "one hundred thirty-five million, one hundred seventy thousand, sixty-nine".