3138177894 has 16 divisors (see below), whose sum is σ = 6284812032. Its totient is φ = 1044649928.

The previous prime is 3138177881. The next prime is 3138177901. The reversal of 3138177894 is 4987718313.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 347514 + ... + 356429.

It is an arithmetic number, because the mean of its divisors is an integer number (392800752).

Almost surely, 2^3138177894 is an apocalyptic number.

3138177894 is an abundant number, since it is smaller than the sum of its proper divisors (3146634138).

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

3138177894 is a wasteful number, since it uses less digits than its factorization.

3138177894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 704691.

The product of its digits is 1016064, while the sum is 51.

The square root of 3138177894 is about 56019.4421071828. The cubic root of 3138177894 is about 1464.0610482844.

The spelling of 3138177894 in words is "three billion, one hundred thirty-eight million, one hundred seventy-seven thousand, eight hundred ninety-four".