109345656 has 128 divisors (see below), whose sum is σ = 328320000. Its totient is φ = 30312576.

The previous prime is 109345583. The next prime is 109345697. The reversal of 109345656 is 656543901.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 304405 + ... + 304763.

It is an arithmetic number, because the mean of its divisors is an integer number (2565000).

Almost surely, 2^109345656 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 109345656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164160000).

109345656 is an abundant number, since it is smaller than the sum of its proper divisors (218974344).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

109345656 is a wasteful number, since it uses less digits than its factorization.

109345656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426 (or 408 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 39.

The square root of 109345656 is about 10456.8473260347. The cubic root of 109345656 is about 478.1900238277.

The spelling of 109345656 in words is "one hundred nine million, three hundred forty-five thousand, six hundred fifty-six".