139038283946 has 8 divisors (see below), whose sum is σ = 214194113220. Its totient is φ = 67640246208.

The previous prime is 139038283933. The next prime is 139038283949. The reversal of 139038283946 is 649382830931.

139038283946 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 126423624721 + 12614659225 = 355561^2 + 112315^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 139038283891 and 139038283900.

It is not an unprimeable number, because it can be changed into a prime (139038283949) 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, 939447791 + ... + 939447938.

Almost surely, 2^139038283946 is an apocalyptic number.

139038283946 is a deficient number, since it is larger than the sum of its proper divisors (75155829274).

139038283946 is a wasteful number, since it uses less digits than its factorization.

139038283946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1878895768.

The product of its (nonzero) digits is 6718464, while the sum is 56.

The spelling of 139038283946 in words is "one hundred thirty-nine billion, thirty-eight million, two hundred eighty-three thousand, nine hundred forty-six".