135718511 has 2 divisors, whose sum is σ = 135718512. Its totient is φ = 135718510.

The previous prime is 135718459. The next prime is 135718543. The reversal of 135718511 is 115817531.

It is a happy number.

It is an a-pointer prime, because the next prime (135718543) can be obtained adding 135718511 to its sum of digits (32).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 135718511 - 2¹⁰ = 135717487 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135718111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67859255 + 67859256.

It is an arithmetic number, because the mean of its divisors is an integer number (67859256).

Almost surely, 2^135718511 is an apocalyptic number.

135718511 is a deficient number, since it is larger than the sum of its proper divisors (1).

135718511 is an equidigital number, since it uses as much as digits as its factorization.

135718511 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4200, while the sum is 32.

The square root of 135718511 is about 11649.8287970253. The cubic root of 135718511 is about 513.9012752802.

The spelling of 135718511 in words is "one hundred thirty-five million, seven hundred eighteen thousand, five hundred eleven".