10142839 has 16 divisors (see below), whose sum is σ = 12275712. Its totient is φ = 8192448.

The previous prime is 10142813. The next prime is 10142857. The reversal of 10142839 is 93824101.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 10142839 - 2⁵ = 10142807 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10142809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11322 + ... + 12184.

It is an arithmetic number, because the mean of its divisors is an integer number (767232).

Almost surely, 2^10142839 is an apocalyptic number.

10142839 is a deficient number, since it is larger than the sum of its proper divisors (2132873).

10142839 is an equidigital number, since it uses as much as digits as its factorization.

10142839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 966.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 10142839 is about 3184.7824101499. The cubic root of 10142839 is about 216.4644142860.

The spelling of 10142839 in words is "ten million, one hundred forty-two thousand, eight hundred thirty-nine".