138381383347 has 4 divisors (see below), whose sum is σ = 138386797920. Its totient is φ = 138375968776.

The previous prime is 138381383339. The next prime is 138381383353. The reversal of 138381383347 is 743383183831.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 743383183831 = 61 ⋅12186609571.

It is a cyclic number.

It is not a de Polignac number, because 138381383347 - 2³ = 138381383339 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 138381383294 and 138381383303.

It is not an unprimeable number, because it can be changed into a prime (138381333347) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2668768 + ... + 2720125.

It is an arithmetic number, because the mean of its divisors is an integer number (34596699480).

Almost surely, 2^138381383347 is an apocalyptic number.

138381383347 is a deficient number, since it is larger than the sum of its proper divisors (5414573).

138381383347 is an equidigital number, since it uses as much as digits as its factorization.

138381383347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5414572.

The product of its digits is 3483648, while the sum is 52.

The spelling of 138381383347 in words is "one hundred thirty-eight billion, three hundred eighty-one million, three hundred eighty-three thousand, three hundred forty-seven".