109149856 has 12 divisors (see below), whose sum is σ = 214888842. Its totient is φ = 54574912.

The previous prime is 109149829. The next prime is 109149863. The reversal of 109149856 is 658941901.

It can be written as a sum of positive squares in only one way, i.e., 102819600 + 6330256 = 10140^2 + 2516^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1705435 + ... + 1705498.

Almost surely, 2^109149856 is an apocalyptic number.

109149856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

109149856 is a deficient number, since it is larger than the sum of its proper divisors (105738986).

109149856 is an equidigital number, since it uses as much as digits as its factorization.

109149856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3410943 (or 3410935 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 43.

The square root of 109149856 is about 10447.4808446821. The cubic root of 109149856 is about 477.9044293445.

The spelling of 109149856 in words is "one hundred nine million, one hundred forty-nine thousand, eight hundred fifty-six".