7139716842 has 8 divisors (see below), whose sum is σ = 14279433696. Its totient is φ = 2379905612.

The previous prime is 7139716841. The next prime is 7139716853. The reversal of 7139716842 is 2486179317.

It is a happy number.

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

7139716842 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 7139716791 and 7139716800.

It is not an unprimeable number, because it can be changed into a prime (7139716841) 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, 594976398 + ... + 594976409.

It is an arithmetic number, because the mean of its divisors is an integer number (1784929212).

Almost surely, 2^7139716842 is an apocalyptic number.

7139716842 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7139716842 is a wasteful number, since it uses less digits than its factorization.

7139716842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1189952812.

The product of its digits is 508032, while the sum is 48.

The square root of 7139716842 is about 84496.8451600413. The cubic root of 7139716842 is about 1925.5745149308.

The spelling of 7139716842 in words is "seven billion, one hundred thirty-nine million, seven hundred sixteen thousand, eight hundred forty-two".