139383398939 has 8 divisors (see below), whose sum is σ = 147587523408. Its totient is φ = 131179841280.

The previous prime is 139383398923. The next prime is 139383398981. The reversal of 139383398939 is 939893383931.

139383398939 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 cyclic number.

It is not a de Polignac number, because 139383398939 - 2⁴ = 139383398923 is a prime.

It is not an unprimeable number, because it can be changed into a prime (139383398989) 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 7 ways as a sum of consecutive naturals, for example, 430679 + ... + 681359.

It is an arithmetic number, because the mean of its divisors is an integer number (18448440426).

Almost surely, 2^139383398939 is an apocalyptic number.

139383398939 is a deficient number, since it is larger than the sum of its proper divisors (8204124469).

139383398939 is a wasteful number, since it uses less digits than its factorization.

139383398939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283405.

The product of its digits is 102036672, while the sum is 68.

The spelling of 139383398939 in words is "one hundred thirty-nine billion, three hundred eighty-three million, three hundred ninety-eight thousand, nine hundred thirty-nine".