3138485804 has 24 divisors (see below), whose sum is σ = 5832136800. Its totient is φ = 1472691456.

The previous prime is 3138485803. The next prime is 3138485813. The reversal of 3138485804 is 4085848313.

It is not an unprimeable number, because it can be changed into a prime (3138485803) by changing a digit.

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, 42392 + ... + 89855.

It is an arithmetic number, because the mean of its divisors is an integer number (243005700).

Almost surely, 2^3138485804 is an apocalyptic number.

3138485804 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

3138485804 is a deficient number, since it is larger than the sum of its proper divisors (2693650996).

3138485804 is a wasteful number, since it uses less digits than its factorization.

3138485804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132617 (or 132615 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 44.

The square root of 3138485804 is about 56022.1902820659. The cubic root of 3138485804 is about 1464.1089300287.

The spelling of 3138485804 in words is "three billion, one hundred thirty-eight million, four hundred eighty-five thousand, eight hundred four".