135813711 has 16 divisors (see below), whose sum is σ = 197883648. Its totient is φ = 82171200.

The previous prime is 135813707. The next prime is 135813721. The reversal of 135813711 is 117318531.

It is not a de Polignac number, because 135813711 - 2² = 135813707 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135813701) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18171 + ... + 24531.

It is an arithmetic number, because the mean of its divisors is an integer number (12367728).

Almost surely, 2^135813711 is an apocalyptic number.

135813711 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

135813711 is a deficient number, since it is larger than the sum of its proper divisors (62069937).

135813711 is a wasteful number, since it uses less digits than its factorization.

135813711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7022.

The product of its digits is 2520, while the sum is 30.

The square root of 135813711 is about 11653.9139777158. The cubic root of 135813711 is about 514.0214061952.

The spelling of 135813711 in words is "one hundred thirty-five million, eight hundred thirteen thousand, seven hundred eleven".