138068363 has 2 divisors, whose sum is σ = 138068364. Its totient is φ = 138068362.

The previous prime is 138068353. The next prime is 138068377. The reversal of 138068363 is 363860831.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 138068363 - 2⁴ = 138068347 is a prime.

It is a super-2 number, since 2×138068363² = 38125745722999538, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (138068353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69034181 + 69034182.

It is an arithmetic number, because the mean of its divisors is an integer number (69034182).

Almost surely, 2^138068363 is an apocalyptic number.

138068363 is a deficient number, since it is larger than the sum of its proper divisors (1).

138068363 is an equidigital number, since it uses as much as digits as its factorization.

138068363 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62208, while the sum is 38.

The square root of 138068363 is about 11750.2494867130. The cubic root of 138068363 is about 516.8502435180.

The spelling of 138068363 in words is "one hundred thirty-eight million, sixty-eight thousand, three hundred sixty-three".