135707513 has 2 divisors, whose sum is σ = 135707514. Its totient is φ = 135707512.

The previous prime is 135707489. The next prime is 135707531. The reversal of 135707513 is 315707531.

Together with next prime (135707531) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 79352464 + 56355049 = 8908^2 + 7507^2 .

It is an emirp because it is prime and its reverse (315707531) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 135707513 - 2⁶ = 135707449 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 135707513.

It is not a weakly prime, because it can be changed into another prime (135107513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67853756 + 67853757.

It is an arithmetic number, because the mean of its divisors is an integer number (67853757).

Almost surely, 2^135707513 is an apocalyptic number.

It is an amenable number.

135707513 is a deficient number, since it is larger than the sum of its proper divisors (1).

135707513 is an equidigital number, since it uses as much as digits as its factorization.

135707513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11025, while the sum is 32.

The square root of 135707513 is about 11649.3567633582. The cubic root of 135707513 is about 513.8873935115.

The spelling of 135707513 in words is "one hundred thirty-five million, seven hundred seven thousand, five hundred thirteen".