3139109 has 4 divisors (see below), whose sum is σ = 3275616. Its totient is φ = 3002604.

The previous prime is 3139069. The next prime is 3139111. The reversal of 3139109 is 9019313.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9019313 = 2609 ⋅3457.

It is not a de Polignac number, because 3139109 - 2⁸ = 3138853 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 (3139189) 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 3 ways as a sum of consecutive naturals, for example, 68219 + ... + 68264.

It is an arithmetic number, because the mean of its divisors is an integer number (818904).

Almost surely, 2^3139109 is an apocalyptic number.

It is an amenable number.

3139109 is a deficient number, since it is larger than the sum of its proper divisors (136507).

3139109 is a wasteful number, since it uses less digits than its factorization.

3139109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136506.

The product of its (nonzero) digits is 729, while the sum is 26.

The square root of 3139109 is about 1771.7530866348. The cubic root of 3139109 is about 146.4205830944.

The spelling of 3139109 in words is "three million, one hundred thirty-nine thousand, one hundred nine".