3138340574 has 4 divisors (see below), whose sum is σ = 4707510864. Its totient is φ = 1569170286.

The previous prime is 3138340571. The next prime is 3138340633. The reversal of 3138340574 is 4750438313.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3138340571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 784585142 + ... + 784585145.

It is an arithmetic number, because the mean of its divisors is an integer number (1176877716).

Almost surely, 2^3138340574 is an apocalyptic number.

3138340574 is a deficient number, since it is larger than the sum of its proper divisors (1569170290).

3138340574 is a wasteful number, since it uses less digits than its factorization.

3138340574 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1569170289.

The product of its (nonzero) digits is 120960, while the sum is 38.

The square root of 3138340574 is about 56020.8940842611. The cubic root of 3138340574 is about 1464.0863463336.

Adding to 3138340574 its reverse (4750438313), we get a palindrome (7888778887).

The spelling of 3138340574 in words is "three billion, one hundred thirty-eight million, three hundred forty thousand, five hundred seventy-four".