3138727068 has 36 divisors (see below), whose sum is σ = 8400712320. Its totient is φ = 984698496.

The previous prime is 3138727061. The next prime is 3138727073. The reversal of 3138727068 is 8607278313.

3138727068 is a `hidden beast` number, since 313 + 8 + 7 + 270 + 68 = 666.

3138727068 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3138727061) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2563708 + ... + 2564931.

It is an arithmetic number, because the mean of its divisors is an integer number (233353120).

Almost surely, 2^3138727068 is an apocalyptic number.

It is an amenable number.

3138727068 is an abundant number, since it is smaller than the sum of its proper divisors (5261985252).

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

3138727068 is a wasteful number, since it uses less digits than its factorization.

3138727068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5128666 (or 5128661 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The square root of 3138727068 is about 56024.3435302905. The cubic root of 3138727068 is about 1464.1464457553.

The spelling of 3138727068 in words is "three billion, one hundred thirty-eight million, seven hundred twenty-seven thousand, sixty-eight".