109369556 has 18 divisors (see below), whose sum is σ = 198200730. Its totient is φ = 52744720.

The previous prime is 109369471. The next prime is 109369571. The reversal of 109369556 is 655963901.

It can be written as a sum of positive squares in only one way, i.e., 94284100 + 15085456 = 9710^2 + 3884^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 112151 + ... + 113121.

Almost surely, 2^109369556 is an apocalyptic number.

It is an amenable number.

109369556 is a deficient number, since it is larger than the sum of its proper divisors (88831174).

109369556 is an frugal number, since it uses more digits than its factorization.

109369556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1975 (or 1002 counting only the distinct ones).

The product of its (nonzero) digits is 218700, while the sum is 44.

The square root of 109369556 is about 10457.9900554552. The cubic root of 109369556 is about 478.2248610873.

The spelling of 109369556 in words is "one hundred nine million, three hundred sixty-nine thousand, five hundred fifty-six".