109265436 has 168 divisors, whose sum is σ = 337133664. Its totient is φ = 30326400.

The previous prime is 109265423. The next prime is 109265437. The reversal of 109265436 is 634562901.

It is a happy number.

109265436 is a `hidden beast` number, since 109 + 2 + 6 + 543 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 109265436.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109265437) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 1081786 + ... + 1081886.

It is an arithmetic number, because the mean of its divisors is an integer number (2006748).

Almost surely, 2^109265436 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 109265436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (168566832).

109265436 is an abundant number, since it is smaller than the sum of its proper divisors (227868228).

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

109265436 is a wasteful number, since it uses less digits than its factorization.

109265436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183 (or 166 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 109265436 is about 10453.0108581212. The cubic root of 109265436 is about 478.0730559486.

The spelling of 109265436 in words is "one hundred nine million, two hundred sixty-five thousand, four hundred thirty-six".