811134135 has 64 divisors (see below), whose sum is σ = 1651676160. Its totient is φ = 369982080.

The previous prime is 811134113. The next prime is 811134143. The reversal of 811134135 is 531431118.

It is not a de Polignac number, because 811134135 - 2¹⁵ = 811101367 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 811134099 and 811134108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 692100 + ... + 693270.

It is an arithmetic number, because the mean of its divisors is an integer number (25807440).

Almost surely, 2^811134135 is an apocalyptic number.

811134135 is an abundant number, since it is smaller than the sum of its proper divisors (840542025).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

811134135 is a wasteful number, since it uses less digits than its factorization.

811134135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1925 (or 1919 counting only the distinct ones).

The product of its digits is 1440, while the sum is 27.

The square root of 811134135 is about 28480.4166928786. The cubic root of 811134135 is about 932.6046132278.

The spelling of 811134135 in words is "eight hundred eleven million, one hundred thirty-four thousand, one hundred thirty-five".