10139959 has 4 divisors (see below), whose sum is σ = 10375816. Its totient is φ = 9904104.

The previous prime is 10139953. The next prime is 10139989. The reversal of 10139959 is 95993101.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 10139959 - 2⁹ = 10139447 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10139953) 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, 117864 + ... + 117949.

It is an arithmetic number, because the mean of its divisors is an integer number (2593954).

Almost surely, 2^10139959 is an apocalyptic number.

10139959 is a deficient number, since it is larger than the sum of its proper divisors (235857).

10139959 is an equidigital number, since it uses as much as digits as its factorization.

10139959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235856.

The product of its (nonzero) digits is 10935, while the sum is 37.

The square root of 10139959 is about 3184.3302278501. The cubic root of 10139959 is about 216.4439244104.

The spelling of 10139959 in words is "ten million, one hundred thirty-nine thousand, nine hundred fifty-nine".