104140320 has 96 divisors (see below), whose sum is σ = 342340992. Its totient is φ = 26560512.

The previous prime is 104140301. The next prime is 104140327. The reversal of 104140320 is 23041401.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 104140320.

It is not an unprimeable number, because it can be changed into a prime (104140327) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6324 + ... + 15756.

It is an arithmetic number, because the mean of its divisors is an integer number (3566052).

Almost surely, 2^104140320 is an apocalyptic number.

104140320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 104140320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171170496).

104140320 is an abundant number, since it is smaller than the sum of its proper divisors (238200672).

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

104140320 is a wasteful number, since it uses less digits than its factorization.

104140320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9474 (or 9466 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 104140320 is about 10204.9164621765. The cubic root of 104140320 is about 470.4783420355.

Adding to 104140320 its reverse (23041401), we get a palindrome (127181721).

The spelling of 104140320 in words is "one hundred four million, one hundred forty thousand, three hundred twenty".