138889888343 has 8 divisors (see below), whose sum is σ = 142969328208. Its totient is φ = 134864481024.

The previous prime is 138889888301. The next prime is 138889888369. The reversal of 138889888343 is 343888988831.

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

It is a cyclic number.

It is not a de Polignac number, because 138889888343 - 2²⁴ = 138873111127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138889188343) 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, 13502921 + ... + 13513202.

It is an arithmetic number, because the mean of its divisors is an integer number (17871166026).

Almost surely, 2^138889888343 is an apocalyptic number.

138889888343 is a deficient number, since it is larger than the sum of its proper divisors (4079439865).

138889888343 is an equidigital number, since it uses as much as digits as its factorization.

138889888343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27016273.

The product of its digits is 254803968, while the sum is 71.

The spelling of 138889888343 in words is "one hundred thirty-eight billion, eight hundred eighty-nine million, eight hundred eighty-eight thousand, three hundred forty-three".