138364067 has 16 divisors (see below), whose sum is σ = 152537088. Its totient is φ = 125072640.

The previous prime is 138364063. The next prime is 138364069. The reversal of 138364067 is 760463831.

It is a cyclic number.

It is not a de Polignac number, because 138364067 - 2² = 138364063 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 138364067.

It is not an unprimeable number, because it can be changed into a prime (138364063) 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 15 ways as a sum of consecutive naturals, for example, 28403 + ... + 32915.

It is an arithmetic number, because the mean of its divisors is an integer number (9533568).

Almost surely, 2^138364067 is an apocalyptic number.

138364067 is a deficient number, since it is larger than the sum of its proper divisors (14173021).

138364067 is a wasteful number, since it uses less digits than its factorization.

138364067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4610.

The product of its (nonzero) digits is 72576, while the sum is 38.

The square root of 138364067 is about 11762.8256384255. The cubic root of 138364067 is about 517.2189635273.

The spelling of 138364067 in words is "one hundred thirty-eight million, three hundred sixty-four thousand, sixty-seven".