3138161936 has 80 divisors (see below), whose sum is σ = 7494187008. Its totient is φ = 1239667200.

The previous prime is 3138161911. The next prime is 3138161953. The reversal of 3138161936 is 6391618313.

It is a junction number, because it is equal to n+sod(n) for n = 3138161893 and 3138161902.

It is an unprimeable number.

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, 1485521 + ... + 1487631.

Almost surely, 2^3138161936 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3138161936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3747093504).

3138161936 is an abundant number, since it is smaller than the sum of its proper divisors (4356025072).

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

3138161936 is a wasteful number, since it uses less digits than its factorization.

3138161936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3160 (or 3154 counting only the distinct ones).

The product of its digits is 69984, while the sum is 41.

The square root of 3138161936 is about 56019.2996743087. The cubic root of 3138161936 is about 1464.0585666399.

The spelling of 3138161936 in words is "three billion, one hundred thirty-eight million, one hundred sixty-one thousand, nine hundred thirty-six".