135319 has 2 divisors, whose sum is σ = 135320. Its totient is φ = 135318.

The previous prime is 135301. The next prime is 135329. The reversal of 135319 is 913531.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 135319 - 2⁹ = 134807 is a prime.

It is a super-2 number, since 2×135319² = 36622463522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 135319.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67659 + 67660.

It is an arithmetic number, because the mean of its divisors is an integer number (67660).

2¹³⁵³¹⁹ is an apocalyptic number.

135319 is a deficient number, since it is larger than the sum of its proper divisors (1).

135319 is an equidigital number, since it uses as much as digits as its factorization.

135319 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 405, while the sum is 22.

The square root of 135319 is about 367.8573092926. The cubic root of 135319 is about 51.3396527143.

It can be divided in two parts, 135 and 319, that added together give a palindrome (454).

The spelling of 135319 in words is "one hundred thirty-five thousand, three hundred nineteen".