109249268 has 6 divisors (see below), whose sum is σ = 191186226. Its totient is φ = 54624632.

The previous prime is 109249243. The next prime is 109249279. The reversal of 109249268 is 862942901.

It can be written as a sum of positive squares in only one way, i.e., 78357904 + 30891364 = 8852^2 + 5558^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13656155 + ... + 13656162.

It is an arithmetic number, because the mean of its divisors is an integer number (31864371).

Almost surely, 2^109249268 is an apocalyptic number.

It is an amenable number.

109249268 is a deficient number, since it is larger than the sum of its proper divisors (81936958).

109249268 is a wasteful number, since it uses less digits than its factorization.

109249268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27312321 (or 27312319 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 41.

The square root of 109249268 is about 10452.2374638161. The cubic root of 109249268 is about 478.0494746384.

The spelling of 109249268 in words is "one hundred nine million, two hundred forty-nine thousand, two hundred sixty-eight".