103140320 has 48 divisors (see below), whose sum is σ = 246440880. Its totient is φ = 40786944.

The previous prime is 103140293. The next prime is 103140329. The reversal of 103140320 is 23041301.

It is a junction number, because it is equal to n+sod(n) for n = 103140295 and 103140304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103140329) 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 7 ways as a sum of consecutive naturals, for example, 10619 + ... + 17861.

It is an arithmetic number, because the mean of its divisors is an integer number (5134185).

Almost surely, 2^103140320 is an apocalyptic number.

103140320 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 103140320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123220440).

103140320 is an abundant number, since it is smaller than the sum of its proper divisors (143300560).

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

103140320 is an equidigital number, since it uses as much as digits as its factorization.

103140320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7347 (or 7339 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 103140320 is about 10155.8022824393. The cubic root of 103140320 is about 468.9675844379.

Adding to 103140320 its reverse (23041301), we get a palindrome (126181621).

The spelling of 103140320 in words is "one hundred three million, one hundred forty thousand, three hundred twenty".