5102139687 has 8 divisors (see below), whose sum is σ = 6803199360. Its totient is φ = 3401253240.

The previous prime is 5102139667. The next prime is 5102139719. The reversal of 5102139687 is 7869312015.

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

It is not a de Polignac number, because 5102139687 - 2⁸ = 5102139431 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5102139667) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62014 + ... + 118532.

It is an arithmetic number, because the mean of its divisors is an integer number (850399920).

Almost surely, 2^5102139687 is an apocalyptic number.

5102139687 is a deficient number, since it is larger than the sum of its proper divisors (1701059673).

5102139687 is a wasteful number, since it uses less digits than its factorization.

5102139687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86613.

The product of its (nonzero) digits is 90720, while the sum is 42.

The square root of 5102139687 is about 71429.2635199328. The cubic root of 5102139687 is about 1721.5413089362.

The spelling of 5102139687 in words is "five billion, one hundred two million, one hundred thirty-nine thousand, six hundred eighty-seven".