110139728 has 10 divisors (see below), whose sum is σ = 213395754. Its totient is φ = 55069856.

The previous prime is 110139721. The next prime is 110139749. The reversal of 110139728 is 827931011.

It can be written as a sum of positive squares in only one way, i.e., 72046144 + 38093584 = 8488^2 + 6172^2 .

It is a junction number, because it is equal to n+sod(n) for n = 110139694 and 110139703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110139721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3441851 + ... + 3441882.

Almost surely, 2^110139728 is an apocalyptic number.

It is an amenable number.

110139728 is a deficient number, since it is larger than the sum of its proper divisors (103256026).

110139728 is an equidigital number, since it uses as much as digits as its factorization.

110139728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6883741 (or 6883735 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 32.

The square root of 110139728 is about 10494.7476387000. The cubic root of 110139728 is about 479.3447772933.

The spelling of 110139728 in words is "one hundred ten million, one hundred thirty-nine thousand, seven hundred twenty-eight".