1089136848 has 160 divisors (see below), whose sum is σ = 3121228800. Its totient is φ = 325721088.

The previous prime is 1089136837. The next prime is 1089136849. The reversal of 1089136848 is 8486319801.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 1089136797 and 1089136806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1089136849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2873523 + ... + 2873901.

It is an arithmetic number, because the mean of its divisors is an integer number (19507680).

Almost surely, 2^1089136848 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1089136848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1560614400).

1089136848 is an abundant number, since it is smaller than the sum of its proper divisors (2032091952).

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

1089136848 is a wasteful number, since it uses less digits than its factorization.

1089136848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 569 (or 563 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 48.

The square root of 1089136848 is about 33002.0733894099. The cubic root of 1089136848 is about 1028.8707415074.

The spelling of 1089136848 in words is "one billion, eighty-nine million, one hundred thirty-six thousand, eight hundred forty-eight".