135811711 has 24 divisors (see below), whose sum is σ = 165763584. Its totient is φ = 108773280.

The previous prime is 135811703. The next prime is 135811723. The reversal of 135811711 is 117118531.

It is not a de Polignac number, because 135811711 - 2³ = 135811703 is a prime.

Its product of digits (840) is a multiple of the sum of its prime divisors (210).

It is a self number, because there is not a number n which added to its sum of digits gives 135811711.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135814711) 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 in 23 ways as a sum of consecutive naturals, for example, 1245925 + ... + 1246033.

It is an arithmetic number, because the mean of its divisors is an integer number (6906816).

Almost surely, 2^135811711 is an apocalyptic number.

135811711 is a deficient number, since it is larger than the sum of its proper divisors (29951873).

135811711 is an equidigital number, since it uses as much as digits as its factorization.

135811711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319 (or 210 counting only the distinct ones).

The product of its digits is 840, while the sum is 28.

The square root of 135811711 is about 11653.8281693184. The cubic root of 135811711 is about 514.0188830138.

The spelling of 135811711 in words is "one hundred thirty-five million, eight hundred eleven thousand, seven hundred eleven".