138430832135 has 8 divisors (see below), whose sum is σ = 166145928000. Its totient is φ = 110725379424.

The previous prime is 138430832131. The next prime is 138430832143. The reversal of 138430832135 is 531238034831.

138430832135 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 138430832135 - 2² = 138430832131 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 138430832092 and 138430832101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138430832131) 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, 2379167 + ... + 2436656.

It is an arithmetic number, because the mean of its divisors is an integer number (20768241000).

Almost surely, 2^138430832135 is an apocalyptic number.

138430832135 is a deficient number, since it is larger than the sum of its proper divisors (27715095865).

138430832135 is an equidigital number, since it uses as much as digits as its factorization.

138430832135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4821577.

The product of its (nonzero) digits is 207360, while the sum is 41.

Adding to 138430832135 its reverse (531238034831), we get a palindrome (669668866966).

The spelling of 138430832135 in words is "one hundred thirty-eight billion, four hundred thirty million, eight hundred thirty-two thousand, one hundred thirty-five".