3139109819 has 4 divisors (see below), whose sum is σ = 3140311944. Its totient is φ = 3137907696.

The previous prime is 3139109807. The next prime is 3139109849. The reversal of 3139109819 is 9189019313.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9189019313 = 307 ⋅29931659.

It is a cyclic number.

It is not a de Polignac number, because 3139109819 - 2⁴ = 3139109803 is a prime.

It is a super-2 number, since 2×3139109819² = 19708020911484425522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3139109819.

It is not an unprimeable number, because it can be changed into a prime (3139109849) 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, 597137 + ... + 602370.

It is an arithmetic number, because the mean of its divisors is an integer number (785077986).

Almost surely, 2^3139109819 is an apocalyptic number.

3139109819 is a deficient number, since it is larger than the sum of its proper divisors (1202125).

3139109819 is a wasteful number, since it uses less digits than its factorization.

3139109819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1202124.

The product of its (nonzero) digits is 52488, while the sum is 44.

The square root of 3139109819 is about 56027.7593608740. The cubic root of 3139109819 is about 1464.2059582823.

The spelling of 3139109819 in words is "three billion, one hundred thirty-nine million, one hundred nine thousand, eight hundred nineteen".