139289682478 has 8 divisors (see below), whose sum is σ = 221224789872. Its totient is φ = 65548085856.

The previous prime is 139289682457. The next prime is 139289682479. The reversal of 139289682478 is 874286982931.

139289682478 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139289682479) 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, 2048377650 + ... + 2048377717.

It is an arithmetic number, because the mean of its divisors is an integer number (27653098734).

Almost surely, 2^139289682478 is an apocalyptic number.

139289682478 is a deficient number, since it is larger than the sum of its proper divisors (81935107394).

139289682478 is a wasteful number, since it uses less digits than its factorization.

139289682478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4096755386.

The product of its digits is 83607552, while the sum is 67.

The spelling of 139289682478 in words is "one hundred thirty-nine billion, two hundred eighty-nine million, six hundred eighty-two thousand, four hundred seventy-eight".