135470317 has 2 divisors, whose sum is σ = 135470318. Its totient is φ = 135470316.

The previous prime is 135470249. The next prime is 135470327. The reversal of 135470317 is 713074531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 133379401 + 2090916 = 11549^2 + 1446^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-135470317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135470327) 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, 67735158 + 67735159.

It is an arithmetic number, because the mean of its divisors is an integer number (67735159).

Almost surely, 2^135470317 is an apocalyptic number.

It is an amenable number.

135470317 is a deficient number, since it is larger than the sum of its proper divisors (1).

135470317 is an equidigital number, since it uses as much as digits as its factorization.

135470317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8820, while the sum is 31.

The square root of 135470317 is about 11639.1716629664. The cubic root of 135470317 is about 513.5878200226.

The spelling of 135470317 in words is "one hundred thirty-five million, four hundred seventy thousand, three hundred seventeen".