10140839 has 2 divisors, whose sum is σ = 10140840. Its totient is φ = 10140838.

The previous prime is 10140829. The next prime is 10140853. The reversal of 10140839 is 93804101.

It is a weak prime.

It is an emirp because it is prime and its reverse (93804101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10140839 - 2⁸ = 10140583 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10140829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5070419 + 5070420.

It is an arithmetic number, because the mean of its divisors is an integer number (5070420).

Almost surely, 2^10140839 is an apocalyptic number.

10140839 is a deficient number, since it is larger than the sum of its proper divisors (1).

10140839 is an equidigital number, since it uses as much as digits as its factorization.

10140839 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 10140839 is about 3184.4684014761. The cubic root of 10140839 is about 216.4501856173.

The spelling of 10140839 in words is "ten million, one hundred forty thousand, eight hundred thirty-nine".