5187138335 has 4 divisors (see below), whose sum is σ = 6224566008. Its totient is φ = 4149710664.

The previous prime is 5187138323. The next prime is 5187138337. The reversal of 5187138335 is 5338317815.

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 5187138335 - 2²⁰ = 5186089759 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 (5187138337) 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 in 3 ways as a sum of consecutive naturals, for example, 518713829 + ... + 518713838.

It is an arithmetic number, because the mean of its divisors is an integer number (1556141502).

Almost surely, 2^5187138335 is an apocalyptic number.

5187138335 is a deficient number, since it is larger than the sum of its proper divisors (1037427673).

5187138335 is a wasteful number, since it uses less digits than its factorization.

5187138335 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1037427672.

The product of its digits is 302400, while the sum is 44.

The square root of 5187138335 is about 72021.7906955943. The cubic root of 5187138335 is about 1731.0486625502.

The spelling of 5187138335 in words is "five billion, one hundred eighty-seven million, one hundred thirty-eight thousand, three hundred thirty-five".