13138272001 has 8 divisors (see below), whose sum is σ = 13310242344. Its totient is φ = 12967123200.

The previous prime is 13138271989. The next prime is 13138272011. The reversal of 13138272001 is 10027283131.

It can be written as a sum of positive squares in 4 ways, for example, as 55487601 + 13082784400 = 7449^2 + 114380^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13138272001 is a prime.

It is a super-2 number, since 2×13138272001² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13138272011) 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, 173160 + ... + 237193.

It is an arithmetic number, because the mean of its divisors is an integer number (1663780293).

Almost surely, 2^13138272001 is an apocalyptic number.

It is an amenable number.

13138272001 is a deficient number, since it is larger than the sum of its proper divisors (171970343).

13138272001 is a wasteful number, since it uses less digits than its factorization.

13138272001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410771.

The product of its (nonzero) digits is 2016, while the sum is 28.

The spelling of 13138272001 in words is "thirteen billion, one hundred thirty-eight million, two hundred seventy-two thousand, one".