109989152 has 96 divisors (see below), whose sum is σ = 269764992. Its totient is φ = 42983424.

The previous prime is 109989127. The next prime is 109989163. The reversal of 109989152 is 251989901.

It is a happy number.

It is a super-2 number, since 2×109989152² = 24195227115358208, which contains 22 as substring.

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 in 15 ways as a sum of consecutive naturals, for example, 311408 + ... + 311760.

It is an arithmetic number, because the mean of its divisors is an integer number (2810052).

Almost surely, 2^109989152 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 109989152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134882496).

109989152 is an abundant number, since it is smaller than the sum of its proper divisors (159775840).

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

109989152 is a wasteful number, since it uses less digits than its factorization.

109989152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490 (or 482 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 44.

The square root of 109989152 is about 10487.5713108422. The cubic root of 109989152 is about 479.1262344847.

The spelling of 109989152 in words is "one hundred nine million, nine hundred eighty-nine thousand, one hundred fifty-two".