12355338139 has 2 divisors, whose sum is σ = 12355338140. Its totient is φ = 12355338138.

The previous prime is 12355338133. The next prime is 12355338157. The reversal of 12355338139 is 93183355321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12355338139 - 2³ = 12355338131 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12355338095 and 12355338104.

It is not a weakly prime, because it can be changed into another prime (12355338131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6177669069 + 6177669070.

It is an arithmetic number, because the mean of its divisors is an integer number (6177669070).

Almost surely, 2^12355338139 is an apocalyptic number.

12355338139 is a deficient number, since it is larger than the sum of its proper divisors (1).

12355338139 is an equidigital number, since it uses as much as digits as its factorization.

12355338139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 291600, while the sum is 43.

The spelling of 12355338139 in words is "twelve billion, three hundred fifty-five million, three hundred thirty-eight thousand, one hundred thirty-nine".