109765432 has 64 divisors (see below), whose sum is σ = 251251200. Its totient is φ = 43908480.

The previous prime is 109765423. The next prime is 109765433. The reversal of 109765432 is 234567901.

It is a junction number, because it is equal to n+sod(n) for n = 109765391 and 109765400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109765433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74818 + ... + 76270.

It is an arithmetic number, because the mean of its divisors is an integer number (3925800).

Almost surely, 2^109765432 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 109765432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (125625600).

109765432 is an abundant number, since it is smaller than the sum of its proper divisors (141485768).

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

109765432 is a wasteful number, since it uses less digits than its factorization.

109765432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1556 (or 1552 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 37.

The square root of 109765432 is about 10476.8999231643. The cubic root of 109765432 is about 478.8011633995.

The spelling of 109765432 in words is "one hundred nine million, seven hundred sixty-five thousand, four hundred thirty-two".