13139801121 has 16 divisors (see below), whose sum is σ = 17595810560. Its totient is φ = 8721872640.

The previous prime is 13139801111. The next prime is 13139801137. The reversal of 13139801121 is 12110893131.

It is not a de Polignac number, because 13139801121 - 2¹¹ = 13139799073 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13139801111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1518435 + ... + 1527063.

It is an arithmetic number, because the mean of its divisors is an integer number (1099738160).

Almost surely, 2^13139801121 is an apocalyptic number.

It is an amenable number.

13139801121 is a deficient number, since it is larger than the sum of its proper divisors (4456009439).

13139801121 is a wasteful number, since it uses less digits than its factorization.

13139801121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10776.

The product of its (nonzero) digits is 1296, while the sum is 30.

The spelling of 13139801121 in words is "thirteen billion, one hundred thirty-nine million, eight hundred one thousand, one hundred twenty-one".