109839305716 has 90 divisors (see below), whose sum is σ = 228445588182. Its totient is φ = 46195349760.

The previous prime is 109839305713. The next prime is 109839305731. The reversal of 109839305716 is 617503938901.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 13146915600 + 96692390116 = 114660^2 + 310954^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109839305713) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 253670236 + ... + 253670668.

Almost surely, 2^109839305716 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 109839305716, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114222794091).

109839305716 is an abundant number, since it is smaller than the sum of its proper divisors (118606282466).

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

109839305716 is an frugal number, since it uses more digits than its factorization.

109839305716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 959 (or 503 counting only the distinct ones).

The product of its (nonzero) digits is 1224720, while the sum is 52.

The spelling of 109839305716 in words is "one hundred nine billion, eight hundred thirty-nine million, three hundred five thousand, seven hundred sixteen".