139684878314 has 8 divisors (see below), whose sum is σ = 209534385060. Its totient is φ = 69840083296.

The previous prime is 139684878283. The next prime is 139684878323. The reversal of 139684878314 is 413878486931.

139684878314 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 138210702289 + 1474176025 = 371767^2 + 38395^2 .

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

It is an unprimeable number.

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, 1102859 + ... + 1222974.

Almost surely, 2^139684878314 is an apocalyptic number.

139684878314 is a deficient number, since it is larger than the sum of its proper divisors (69849506746).

139684878314 is a wasteful number, since it uses less digits than its factorization.

139684878314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2355864.

The product of its digits is 27869184, while the sum is 62.

The spelling of 139684878314 in words is "one hundred thirty-nine billion, six hundred eighty-four million, eight hundred seventy-eight thousand, three hundred fourteen".