103840113 has 8 divisors (see below), whose sum is σ = 149103808. Its totient is φ = 63901584.

The previous prime is 103840103. The next prime is 103840123. The reversal of 103840113 is 311048301.

It is an interprime number because it is at equal distance from previous prime (103840103) and next prime (103840123).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 103840113 - 2¹⁷ = 103709041 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 103840113.

It is not an unprimeable number, because it can be changed into a prime (103840103) 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, 1331245 + ... + 1331322.

It is an arithmetic number, because the mean of its divisors is an integer number (18637976).

Almost surely, 2^103840113 is an apocalyptic number.

103840113 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

103840113 is a deficient number, since it is larger than the sum of its proper divisors (45263695).

103840113 is a wasteful number, since it uses less digits than its factorization.

103840113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2662583.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 103840113 is about 10190.1969068316. The cubic root of 103840113 is about 470.0258217291.

Adding to 103840113 its reverse (311048301), we get a palindrome (414888414).

The spelling of 103840113 in words is "one hundred three million, eight hundred forty thousand, one hundred thirteen".