103140005 has 8 divisors (see below), whose sum is σ = 124484472. Its totient is φ = 82034368.

The previous prime is 103139989. The next prime is 103140017. The reversal of 103140005 is 500041301.

It can be written as a sum of positive squares in 4 ways, for example, as 8213956 + 94926049 = 2866^2 + 9743^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 103140005 - 2⁴ = 103139989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 58754 + ... + 60483.

It is an arithmetic number, because the mean of its divisors is an integer number (15560559).

Almost surely, 2^103140005 is an apocalyptic number.

It is an amenable number.

103140005 is a deficient number, since it is larger than the sum of its proper divisors (21344467).

103140005 is a wasteful number, since it uses less digits than its factorization.

103140005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119415.

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 103140005 is about 10155.7867740515. The cubic root of 103140005 is about 468.9671070140.

Adding to 103140005 its reverse (500041301), we get a palindrome (603181306).

The spelling of 103140005 in words is "one hundred three million, one hundred forty thousand, five".