10140305 has 12 divisors (see below), whose sum is σ = 14155380. Its totient is φ = 6953184.

The previous prime is 10140301. The next prime is 10140307. The reversal of 10140305 is 50304101.

10140305 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 5400976 + 4739329 = 2324^2 + 2177^2 .

It is not a de Polignac number, because 10140305 - 2² = 10140301 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10140305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10140301) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20450 + ... + 20939.

It is an arithmetic number, because the mean of its divisors is an integer number (1179615).

Almost surely, 2^10140305 is an apocalyptic number.

It is an amenable number.

10140305 is a deficient number, since it is larger than the sum of its proper divisors (4015075).

10140305 is an equidigital number, since it uses as much as digits as its factorization.

10140305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41408 (or 41401 counting only the distinct ones).

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

The square root of 10140305 is about 3184.3845559229. The cubic root of 10140305 is about 216.4463862464.

Adding to 10140305 its reverse (50304101), we get a palindrome (60444406).

The spelling of 10140305 in words is "ten million, one hundred forty thousand, three hundred five".