10140047 has 2 divisors, whose sum is σ = 10140048. Its totient is φ = 10140046.

The previous prime is 10140029. The next prime is 10140059. The reversal of 10140047 is 74004101.

10140047 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (74004101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10140047 - 2⁸ = 10139791 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10140017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5070023 + 5070024.

It is an arithmetic number, because the mean of its divisors is an integer number (5070024).

Almost surely, 2^10140047 is an apocalyptic number.

10140047 is a deficient number, since it is larger than the sum of its proper divisors (1).

10140047 is an equidigital number, since it uses as much as digits as its factorization.

10140047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 112, while the sum is 17.

The square root of 10140047 is about 3184.3440454825. The cubic root of 10140047 is about 216.4445505474. Note that the first 3 decimals are identical.

Adding to 10140047 its reverse (74004101), we get a palindrome (84144148).

The spelling of 10140047 in words is "ten million, one hundred forty thousand, forty-seven".