10140931 has 4 divisors (see below), whose sum is σ = 10148832. Its totient is φ = 10133032.

The previous prime is 10140917. The next prime is 10140943. The reversal of 10140931 is 13904101.

It is a happy number.

10140931 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 10140931 - 2⁹ = 10140419 is a prime.

It is a super-2 number, since 2×10140931² = 205676963093522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10140899 and 10140908.

It is not an unprimeable number, because it can be changed into a prime (10140901) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1531 + ... + 4756.

It is an arithmetic number, because the mean of its divisors is an integer number (2537208).

Almost surely, 2^10140931 is an apocalyptic number.

10140931 is a deficient number, since it is larger than the sum of its proper divisors (7901).

10140931 is an equidigital number, since it uses as much as digits as its factorization.

10140931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7900.

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 10140931 is about 3184.4828465545. The cubic root of 10140931 is about 216.4508401771.

The spelling of 10140931 in words is "ten million, one hundred forty thousand, nine hundred thirty-one".