10504139 has 4 divisors (see below), whose sum is σ = 10676400. Its totient is φ = 10331880.

The previous prime is 10504129. The next prime is 10504157. The reversal of 10504139 is 93140501.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10504139 is a prime.

It is a super-2 number, since 2×10504139² = 220673872262642, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10504129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86039 + ... + 86160.

It is an arithmetic number, because the mean of its divisors is an integer number (2669100).

Almost surely, 2^10504139 is an apocalyptic number.

10504139 is a deficient number, since it is larger than the sum of its proper divisors (172261).

10504139 is an equidigital number, since it uses as much as digits as its factorization.

10504139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172260.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 10504139 is about 3241.0089478432. The cubic root of 10504139 is about 219.0047259602.

The spelling of 10504139 in words is "ten million, five hundred four thousand, one hundred thirty-nine".