10240139 has 16 divisors (see below), whose sum is σ = 12714240. Its totient is φ = 8030880.

The previous prime is 10240127. The next prime is 10240141. The reversal of 10240139 is 93104201.

10240139 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10240139 - 2⁴ = 10240123 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10240139.

It is not an unprimeable number, because it can be changed into a prime (10240159) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11492 + ... + 12350.

It is an arithmetic number, because the mean of its divisors is an integer number (794640).

Almost surely, 2^10240139 is an apocalyptic number.

10240139 is a deficient number, since it is larger than the sum of its proper divisors (2474101).

10240139 is a wasteful number, since it uses less digits than its factorization.

10240139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1010.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 10240139 is about 3200.0217186763. The cubic root of 10240139 is about 217.1543918858.

The spelling of 10240139 in words is "ten million, two hundred forty thousand, one hundred thirty-nine".