138007067 has 8 divisors (see below), whose sum is σ = 150638400. Its totient is φ = 125389960.

The previous prime is 138007063. The next prime is 138007073. The reversal of 138007067 is 760700831.

It is a happy number.

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 138007067 - 2² = 138007063 is a prime.

It is not an unprimeable number, because it can be changed into a prime (138007063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34388 + ... + 38190.

It is an arithmetic number, because the mean of its divisors is an integer number (18829800).

Almost surely, 2^138007067 is an apocalyptic number.

138007067 is a deficient number, since it is larger than the sum of its proper divisors (12631333).

138007067 is a wasteful number, since it uses less digits than its factorization.

138007067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7113.

The product of its (nonzero) digits is 7056, while the sum is 32.

The square root of 138007067 is about 11747.6409121151. The cubic root of 138007067 is about 516.7737462880.

Multiplying 138007067 by its sum of digits (32), we get a palindrome (4416226144).

Adding to 138007067 its reverse (760700831), we get a palindrome (898707898).

The spelling of 138007067 in words is "one hundred thirty-eight million, seven thousand, sixty-seven".