5036139438 has 32 divisors (see below), whose sum is σ = 10991037312. Its totient is φ = 1525672800.

The previous prime is 5036139421. The next prime is 5036139439. The reversal of 5036139438 is 8349316305.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 5036139438.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5036139439) 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 15 ways as a sum of consecutive naturals, for example, 287368 + ... + 304388.

It is an arithmetic number, because the mean of its divisors is an integer number (343469916).

Almost surely, 2^5036139438 is an apocalyptic number.

5036139438 is an abundant number, since it is smaller than the sum of its proper divisors (5954897874).

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

5036139438 is a wasteful number, since it uses less digits than its factorization.

5036139438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21520.

The product of its (nonzero) digits is 233280, while the sum is 42.

The square root of 5036139438 is about 70965.7624351349. The cubic root of 5036139438 is about 1714.0858984149.

The spelling of 5036139438 in words is "five billion, thirty-six million, one hundred thirty-nine thousand, four hundred thirty-eight".