1128135534 has 8 divisors (see below), whose sum is σ = 2256271080. Its totient is φ = 376045176.

The previous prime is 1128135529. The next prime is 1128135553. The reversal of 1128135534 is 4355318211.

It is a sphenic number, since it is the product of 3 distinct primes.

1128135534 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 1128135495 and 1128135504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94011289 + ... + 94011300.

It is an arithmetic number, because the mean of its divisors is an integer number (282033885).

Almost surely, 2^1128135534 is an apocalyptic number.

1128135534 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1128135534 is a wasteful number, since it uses less digits than its factorization.

1128135534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188022594.

The product of its digits is 14400, while the sum is 33.

The square root of 1128135534 is about 33587.7289199493. The cubic root of 1128135534 is about 1041.0072631569.

The spelling of 1128135534 in words is "one billion, one hundred twenty-eight million, one hundred thirty-five thousand, five hundred thirty-four".