109152788 has 6 divisors (see below), whose sum is σ = 191017386. Its totient is φ = 54576392.

The previous prime is 109152761. The next prime is 109152809. The reversal of 109152788 is 887251901.

It can be written as a sum of positive squares in only one way, i.e., 108409744 + 743044 = 10412^2 + 862^2 .

It is a super-2 number, since 2×109152788² = 23828662256345888, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13644095 + ... + 13644102.

It is an arithmetic number, because the mean of its divisors is an integer number (31836231).

Almost surely, 2^109152788 is an apocalyptic number.

It is an amenable number.

109152788 is a deficient number, since it is larger than the sum of its proper divisors (81864598).

109152788 is a wasteful number, since it uses less digits than its factorization.

109152788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27288201 (or 27288199 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 41.

The square root of 109152788 is about 10447.6211646480. The cubic root of 109152788 is about 477.9087084867.

The spelling of 109152788 in words is "one hundred nine million, one hundred fifty-two thousand, seven hundred eighty-eight".