138326340135 has 8 divisors (see below), whose sum is σ = 221322144240. Its totient is φ = 73774048064.

The previous prime is 138326340109. The next prime is 138326340179. The reversal of 138326340135 is 531043623831.

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 138326340135 - 2¹⁶ = 138326274599 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 138326340093 and 138326340102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4610877990 + ... + 4610878019.

It is an arithmetic number, because the mean of its divisors is an integer number (27665268030).

Almost surely, 2^138326340135 is an apocalyptic number.

138326340135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

138326340135 is a deficient number, since it is larger than the sum of its proper divisors (82995804105).

138326340135 is an equidigital number, since it uses as much as digits as its factorization.

138326340135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9221756017.

The product of its (nonzero) digits is 155520, while the sum is 39.

Adding to 138326340135 its reverse (531043623831), we get a palindrome (669369963966).

The spelling of 138326340135 in words is "one hundred thirty-eight billion, three hundred twenty-six million, three hundred forty thousand, one hundred thirty-five".