13734020639 has 8 divisors (see below), whose sum is σ = 14934929328. Its totient is φ = 12576781440.

The previous prime is 13734020623. The next prime is 13734020687. The reversal of 13734020639 is 93602043731.

13734020639 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 13734020639 - 2⁴ = 13734020623 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 (13734020039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10916717 + ... + 10917974.

It is an arithmetic number, because the mean of its divisors is an integer number (1866866166).

Almost surely, 2^13734020639 is an apocalyptic number.

13734020639 is a deficient number, since it is larger than the sum of its proper divisors (1200908689).

13734020639 is a wasteful number, since it uses less digits than its factorization.

13734020639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21834745.

The product of its (nonzero) digits is 81648, while the sum is 38.

The spelling of 13734020639 in words is "thirteen billion, seven hundred thirty-four million, twenty thousand, six hundred thirty-nine".