5239138774 has 16 divisors (see below), whose sum is σ = 8273753280. Its totient is φ = 2481268680.

The previous prime is 5239138771. The next prime is 5239138783. The reversal of 5239138774 is 4778319325.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5239138771) 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, 370437 + ... + 384319.

It is an arithmetic number, because the mean of its divisors is an integer number (517109580).

Almost surely, 2^5239138774 is an apocalyptic number.

5239138774 is a deficient number, since it is larger than the sum of its proper divisors (3034614506).

5239138774 is a wasteful number, since it uses less digits than its factorization.

5239138774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23835.

The product of its digits is 1270080, while the sum is 49.

The square root of 5239138774 is about 72381.8953468338. The cubic root of 5239138774 is about 1736.8139581227.

The spelling of 5239138774 in words is "five billion, two hundred thirty-nine million, one hundred thirty-eight thousand, seven hundred seventy-four".