3138387616 has 48 divisors (see below), whose sum is σ = 7604561664. Its totient is φ = 1241558784.

The previous prime is 3138387613. The next prime is 3138387667. The reversal of 3138387616 is 6167838313.

It is not an unprimeable number, because it can be changed into a prime (3138387613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 535960 + ... + 541783.

It is an arithmetic number, because the mean of its divisors is an integer number (158428368).

Almost surely, 2^3138387616 is an apocalyptic number.

It is an amenable number.

3138387616 is an abundant number, since it is smaller than the sum of its proper divisors (4466174048).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3138387616 is a wasteful number, since it uses less digits than its factorization.

3138387616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1077773 (or 1077765 counting only the distinct ones).

The product of its digits is 435456, while the sum is 46.

The square root of 3138387616 is about 56021.3139438910. The cubic root of 3138387616 is about 1464.0936615802.

The spelling of 3138387616 in words is "three billion, one hundred thirty-eight million, three hundred eighty-seven thousand, six hundred sixteen".