138008367 has 20 divisors (see below), whose sum is σ = 235613136. Its totient is φ = 78861600.

The previous prime is 138008347. The next prime is 138008383. The reversal of 138008367 is 763800831.

It is not a de Polignac number, because 138008367 - 2¹⁴ = 137991983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138008327) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 121134 + ... + 122267.

Almost surely, 2^138008367 is an apocalyptic number.

138008367 is a deficient number, since it is larger than the sum of its proper divisors (97604769).

138008367 is an equidigital number, since it uses as much as digits as its factorization.

138008367 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243420 (or 243411 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 138008367 is about 11747.6962422426. The cubic root of 138008367 is about 516.7753689193.

The spelling of 138008367 in words is "one hundred thirty-eight million, eight thousand, three hundred sixty-seven".