3138771009 has 16 divisors (see below), whose sum is σ = 4566504384. Its totient is φ = 1901860800.

The previous prime is 3138771001. The next prime is 3138771011. The reversal of 3138771009 is 9001778313.

It is a happy number.

It is not a de Polignac number, because 3138771009 - 2³ = 3138771001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3138771001) 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, 204487 + ... + 219299.

It is an arithmetic number, because the mean of its divisors is an integer number (285406524).

Almost surely, 2^3138771009 is an apocalyptic number.

It is an amenable number.

3138771009 is a deficient number, since it is larger than the sum of its proper divisors (1427733375).

3138771009 is a wasteful number, since it uses less digits than its factorization.

3138771009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21248.

The product of its (nonzero) digits is 31752, while the sum is 39.

The square root of 3138771009 is about 56024.7356888009. The cubic root of 3138771009 is about 1464.1532782235.

The spelling of 3138771009 in words is "three billion, one hundred thirty-eight million, seven hundred seventy-one thousand, nine".