138067748345 has 16 divisors (see below), whose sum is σ = 166332353040. Its totient is φ = 110020337664.

The previous prime is 138067748333. The next prime is 138067748347. The reversal of 138067748345 is 543847760831.

It is a happy number.

138067748345 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 18083794576 + 119983953769 = 134476^2 + 346387^2 .

It is a cyclic number.

It is not a de Polignac number, because 138067748345 - 2³⁶ = 69348271609 is a prime.

It is not an unprimeable number, because it can be changed into a prime (138067748347) 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 15 ways as a sum of consecutive naturals, for example, 9376709 + ... + 9391421.

It is an arithmetic number, because the mean of its divisors is an integer number (10395772065).

Almost surely, 2^138067748345 is an apocalyptic number.

It is an amenable number.

138067748345 is a deficient number, since it is larger than the sum of its proper divisors (28264604695).

138067748345 is a wasteful number, since it uses less digits than its factorization.

138067748345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21964.

The product of its (nonzero) digits is 13547520, while the sum is 56.

The spelling of 138067748345 in words is "one hundred thirty-eight billion, sixty-seven million, seven hundred forty-eight thousand, three hundred forty-five".