10139047 has 2 divisors, whose sum is σ = 10139048. Its totient is φ = 10139046.

The previous prime is 10139033. The next prime is 10139069. The reversal of 10139047 is 74093101.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10139047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10139447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5069523 + 5069524.

It is an arithmetic number, because the mean of its divisors is an integer number (5069524).

Almost surely, 2^10139047 is an apocalyptic number.

10139047 is a deficient number, since it is larger than the sum of its proper divisors (1).

10139047 is an equidigital number, since it uses as much as digits as its factorization.

10139047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 10139047 is about 3184.1870234017. The cubic root of 10139047 is about 216.4374351410.

The spelling of 10139047 in words is "ten million, one hundred thirty-nine thousand, forty-seven".