139379632939 has 4 divisors (see below), whose sum is σ = 139387469224. Its totient is φ = 139371796656.

The previous prime is 139379632937. The next prime is 139379633011. The reversal of 139379632939 is 939236973931.

139379632939 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 139379632939 - 2¹ = 139379632937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (139379632937) 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, 3891402 + ... + 3927055.

It is an arithmetic number, because the mean of its divisors is an integer number (34846867306).

Almost surely, 2^139379632939 is an apocalyptic number.

139379632939 is a deficient number, since it is larger than the sum of its proper divisors (7836285).

139379632939 is an equidigital number, since it uses as much as digits as its factorization.

139379632939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7836284.

The product of its digits is 44641044, while the sum is 64.

The spelling of 139379632939 in words is "one hundred thirty-nine billion, three hundred seventy-nine million, six hundred thirty-two thousand, nine hundred thirty-nine".