1095813144 has 128 divisors (see below), whose sum is σ = 3243744000. Its totient is φ = 341770752.

The previous prime is 1095813139. The next prime is 1095813151. The reversal of 1095813144 is 4413185901.

1095813144 is a `hidden beast` number, since 1 + 0 + 9 + 581 + 31 + 44 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 1095813099 and 1095813108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 339024 + ... + 342240.

It is an arithmetic number, because the mean of its divisors is an integer number (25341750).

Almost surely, 2^1095813144 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 1095813144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1621872000).

1095813144 is an abundant number, since it is smaller than the sum of its proper divisors (2147930856).

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

1095813144 is a wasteful number, since it uses less digits than its factorization.

1095813144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3334 (or 3324 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 1095813144 is about 33103.0684982525. The cubic root of 1095813144 is about 1030.9687508070.

The spelling of 1095813144 in words is "one billion, ninety-five million, eight hundred thirteen thousand, one hundred forty-four".