Is 1138 a deficient number and what is its deficiency?

Is 1138 a deficient number?

Here we will explain and calculate if 1138 is a deficient number and its deficiency if applicable.

1138 is a deficient number if the sum of its proper divisors is less than 1138.

The sum of its proper divisors is calculated as follows: 1 + 2 + 569 = 572.

572 is less than 1138. Therefore, 1138 is a deficient number.

The deficiency of 1138 is 1138 minus the sum of its proper divisors. Thus, the deficiency of 1138 is 1138 - 572 = 566

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