3138461871 has 16 divisors (see below), whose sum is σ = 4282684800. Its totient is φ = 2043726048.

The previous prime is 3138461863. The next prime is 3138461881. The reversal of 3138461871 is 1781648313.

It is not a de Polignac number, because 3138461871 - 2³ = 3138461863 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3138461881) 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, 28681 + ... + 84258.

It is an arithmetic number, because the mean of its divisors is an integer number (267667800).

Almost surely, 2^3138461871 is an apocalyptic number.

3138461871 is a deficient number, since it is larger than the sum of its proper divisors (1144222929).

3138461871 is a wasteful number, since it uses less digits than its factorization.

3138461871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113158.

The product of its digits is 96768, while the sum is 42.

The square root of 3138461871 is about 56021.9766787999. The cubic root of 3138461871 is about 1464.1052084243.

The spelling of 3138461871 in words is "three billion, one hundred thirty-eight million, four hundred sixty-one thousand, eight hundred seventy-one".