1135808128 has 64 divisors (see below), whose sum is σ = 2784942720. Its totient is φ = 449326080.

The previous prime is 1135808111. The next prime is 1135808173. The reversal of 1135808128 is 8218085311.

It is a tau number, because it is divible by the number of its divisors (64).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37108 + ... + 60403.

It is an arithmetic number, because the mean of its divisors is an integer number (43514730).

Almost surely, 2^1135808128 is an apocalyptic number.

It is an amenable number.

1135808128 is an abundant number, since it is smaller than the sum of its proper divisors (1649134592).

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

1135808128 is an equidigital number, since it uses as much as digits as its factorization.

1135808128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97545 (or 97533 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 37.

The square root of 1135808128 is about 33701.7525953770. The cubic root of 1135808128 is about 1043.3619408729.

The spelling of 1135808128 in words is "one billion, one hundred thirty-five million, eight hundred eight thousand, one hundred twenty-eight".