1089736084 has 6 divisors (see below), whose sum is σ = 1907038154. Its totient is φ = 544868040.

The previous prime is 1089736079. The next prime is 1089736157. The reversal of 1089736084 is 4806379801.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 910711684 + 179024400 = 30178^2 + 13380^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136217007 + ... + 136217014.

Almost surely, 2^1089736084 is an apocalyptic number.

It is an amenable number.

1089736084 is a deficient number, since it is larger than the sum of its proper divisors (817302070).

1089736084 is a wasteful number, since it uses less digits than its factorization.

1089736084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272434025 (or 272434023 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 46.

The square root of 1089736084 is about 33011.1509038991. The cubic root of 1089736084 is about 1029.0593995724.

The spelling of 1089736084 in words is "one billion, eighty-nine million, seven hundred thirty-six thousand, eighty-four".