5138860513 has 4 divisors (see below), whose sum is σ = 5139237268. Its totient is φ = 5138483760.

The previous prime is 5138860439. The next prime is 5138860541. The reversal of 5138860513 is 3150688315.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1812800929 + 3326059584 = 42577^2 + 57672^2 .

It is a cyclic number.

It is not a de Polignac number, because 5138860513 - 2¹³ = 5138852321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5138860543) 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, 167118 + ... + 195463.

It is an arithmetic number, because the mean of its divisors is an integer number (1284809317).

Almost surely, 2^5138860513 is an apocalyptic number.

It is an amenable number.

5138860513 is a deficient number, since it is larger than the sum of its proper divisors (376755).

5138860513 is a wasteful number, since it uses less digits than its factorization.

5138860513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376754.

The product of its (nonzero) digits is 86400, while the sum is 40.

The square root of 5138860513 is about 71685.8459739438. The cubic root of 5138860513 is about 1725.6614994862.

The spelling of 5138860513 in words is "five billion, one hundred thirty-eight million, eight hundred sixty thousand, five hundred thirteen".