1109282538 has 192 divisors, whose sum is σ = 3016776960. Its totient is φ = 265015296.

The previous prime is 1109282519. The next prime is 1109282543. The reversal of 1109282538 is 8352829011.

It is a super-2 number, since 2×1109282538² = 2461015498223442888, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 1109282496 and 1109282505.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3499156 + ... + 3499472.

It is an arithmetic number, because the mean of its divisors is an integer number (15712380).

Almost surely, 2^1109282538 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1109282538, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1508388480).

1109282538 is an abundant number, since it is smaller than the sum of its proper divisors (1907494422).

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

1109282538 is a wasteful number, since it uses less digits than its factorization.

1109282538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401 (or 388 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 39.

The square root of 1109282538 is about 33305.8934424525. The cubic root of 1109282538 is about 1035.1756764973.

The spelling of 1109282538 in words is "one billion, one hundred nine million, two hundred eighty-two thousand, five hundred thirty-eight".