5139868606 has 8 divisors (see below), whose sum is σ = 7710341904. Its totient is φ = 2569754640.

The previous prime is 5139868583. The next prime is 5139868661. The reversal of 5139868606 is 6068689315.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50655 + ... + 113338.

It is an arithmetic number, because the mean of its divisors is an integer number (963792738).

Almost surely, 2^5139868606 is an apocalyptic number.

5139868606 is a deficient number, since it is larger than the sum of its proper divisors (2570473298).

5139868606 is a wasteful number, since it uses less digits than its factorization.

5139868606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179666.

The product of its (nonzero) digits is 1866240, while the sum is 52.

The square root of 5139868606 is about 71692.8769544088. The cubic root of 5139868606 is about 1725.7743334197.

The spelling of 5139868606 in words is "five billion, one hundred thirty-nine million, eight hundred sixty-eight thousand, six hundred six".