13438013202939 has 128 divisors (see below), whose sum is σ = 20469500305408. Its totient is φ = 7784818606080.

The previous prime is 13438013202917. The next prime is 13438013202947. The reversal of 13438013202939 is 93920231083431.

It is not a de Polignac number, because 13438013202939 - 2⁷ = 13438013202811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13438013202959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2628202647 + ... + 2628207759.

It is an arithmetic number, because the mean of its divisors is an integer number (159917971136).

Almost surely, 2^{13438013202939} is an apocalyptic number.

13438013202939 is a deficient number, since it is larger than the sum of its proper divisors (7031487102469).

13438013202939 is a wasteful number, since it uses less digits than its factorization.

13438013202939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5637.

The product of its (nonzero) digits is 839808, while the sum is 48.

The spelling of 13438013202939 in words is "thirteen trillion, four hundred thirty-eight billion, thirteen million, two hundred two thousand, nine hundred thirty-nine".