138802884217385 has 8 divisors (see below), whose sum is σ = 166599273486336. Its totient is φ = 111018432423600.

The previous prime is 138802884217297. The next prime is 138802884217391. The reversal of 138802884217385 is 583712488208831.

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

It is not a de Polignac number, because 138802884217385 - 2³⁴ = 138785704348201 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2984343209 + ... + 2984389718.

It is an arithmetic number, because the mean of its divisors is an integer number (20824909185792).

Almost surely, 2^{138802884217385} is an apocalyptic number.

It is an amenable number.

138802884217385 is a deficient number, since it is larger than the sum of its proper divisors (27796389268951).

138802884217385 is an equidigital number, since it uses as much as digits as its factorization.

138802884217385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5968737583.

The product of its (nonzero) digits is 165150720, while the sum is 68.

The spelling of 138802884217385 in words is "one hundred thirty-eight trillion, eight hundred two billion, eight hundred eighty-four million, two hundred seventeen thousand, three hundred eighty-five".