138808328454807 has 8 divisors (see below), whose sum is σ = 201903023207040. Its totient is φ = 84126259669560.

The previous prime is 138808328454773. The next prime is 138808328454811. The reversal of 138808328454807 is 708454823808831.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 138808328454807 - 2²⁸ = 138808060019351 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138808328454877) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2103156491707 + ... + 2103156491772.

It is an arithmetic number, because the mean of its divisors is an integer number (25237877900880).

Almost surely, 2^{138808328454807} is an apocalyptic number.

138808328454807 is a deficient number, since it is larger than the sum of its proper divisors (63094694752233).

138808328454807 is a wasteful number, since it uses less digits than its factorization.

138808328454807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4206312983493.

The product of its (nonzero) digits is 330301440, while the sum is 69.

The spelling of 138808328454807 in words is "one hundred thirty-eight trillion, eight hundred eight billion, three hundred twenty-eight million, four hundred fifty-four thousand, eight hundred seven".