3139444117 has 16 divisors (see below), whose sum is σ = 3314185200. Its totient is φ = 2970570240.

The previous prime is 3139444073. The next prime is 3139444123. The reversal of 3139444117 is 7114449313.

It can be written as a sum of positive squares in 8 ways, for example, as 57972996 + 3081471121 = 7614^2 + 55511^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3139444117 is a prime.

It is a super-2 number, since 2×3139444117² = 19712218727531819378, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3139444717) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 193059 + ... + 208687.

It is an arithmetic number, because the mean of its divisors is an integer number (207136575).

Almost surely, 2^3139444117 is an apocalyptic number.

3139444117 is a gapful number since it is divisible by the number (37) formed by its first and last digit.

It is an amenable number.

3139444117 is a deficient number, since it is larger than the sum of its proper divisors (174741083).

3139444117 is a wasteful number, since it uses less digits than its factorization.

3139444117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15816.

The product of its digits is 36288, while the sum is 37.

The square root of 3139444117 is about 56030.7426061800. The cubic root of 3139444117 is about 1464.2579330753.

The spelling of 3139444117 in words is "three billion, one hundred thirty-nine million, four hundred forty-four thousand, one hundred seventeen".