5138745503 has 4 divisors (see below), whose sum is σ = 5139169008. Its totient is φ = 5138322000.

The previous prime is 5138745497. The next prime is 5138745523. The reversal of 5138745503 is 3055478315.

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

It is a cyclic number.

It is not a de Polignac number, because 5138745503 - 2⁶ = 5138745439 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5138745523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 192998 + ... + 218003.

It is an arithmetic number, because the mean of its divisors is an integer number (1284792252).

Almost surely, 2^5138745503 is an apocalyptic number.

5138745503 is a deficient number, since it is larger than the sum of its proper divisors (423505).

5138745503 is a wasteful number, since it uses less digits than its factorization.

5138745503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423504.

The product of its (nonzero) digits is 252000, while the sum is 41.

The square root of 5138745503 is about 71685.0437887848. The cubic root of 5138745503 is about 1725.6486256977.

The spelling of 5138745503 in words is "five billion, one hundred thirty-eight million, seven hundred forty-five thousand, five hundred three".