135170719 has 2 divisors, whose sum is σ = 135170720. Its totient is φ = 135170718.

The previous prime is 135170681. The next prime is 135170743. The reversal of 135170719 is 917071531.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 135170719 - 2⁹ = 135170207 is a prime.

It is a super-2 number, since 2×135170719² = 36542246549953922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135170759) 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, 67585359 + 67585360.

It is an arithmetic number, because the mean of its divisors is an integer number (67585360).

Almost surely, 2^135170719 is an apocalyptic number.

135170719 is a deficient number, since it is larger than the sum of its proper divisors (1).

135170719 is an equidigital number, since it uses as much as digits as its factorization.

135170719 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6615, while the sum is 34.

The square root of 135170719 is about 11626.2942935400. The cubic root of 135170719 is about 513.2089339402.

The spelling of 135170719 in words is "one hundred thirty-five million, one hundred seventy thousand, seven hundred nineteen".