1081136584 has 16 divisors (see below), whose sum is σ = 2211415920. Its totient is φ = 491425680.

The previous prime is 1081136561. The next prime is 1081136587. The reversal of 1081136584 is 4856311801.

It is not an unprimeable number, because it can be changed into a prime (1081136587) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6142734 + ... + 6142909.

It is an arithmetic number, because the mean of its divisors is an integer number (138213495).

Almost surely, 2^1081136584 is an apocalyptic number.

It is an amenable number.

1081136584 is an abundant number, since it is smaller than the sum of its proper divisors (1130279336).

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

1081136584 is a wasteful number, since it uses less digits than its factorization.

1081136584 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12285660 (or 12285656 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 37.

The square root of 1081136584 is about 32880.6414779274. The cubic root of 1081136584 is about 1026.3453550271.

The spelling of 1081136584 in words is "one billion, eighty-one million, one hundred thirty-six thousand, five hundred eighty-four".