13271732137 has 4 divisors (see below), whose sum is σ = 13273056400. Its totient is φ = 13270407876.

The previous prime is 13271732129. The next prime is 13271732191. The reversal of 13271732137 is 73123717231.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13271732137 - 2³ = 13271732129 is a prime.

It is a super-2 number, since 2×13271732137² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13271732096 and 13271732105.

It is not an unprimeable number, because it can be changed into a prime (13271732437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 646983 + ... + 667180.

It is an arithmetic number, because the mean of its divisors is an integer number (3318264100).

Almost surely, 2^13271732137 is an apocalyptic number.

It is an amenable number.

13271732137 is a deficient number, since it is larger than the sum of its proper divisors (1324263).

13271732137 is a wasteful number, since it uses less digits than its factorization.

13271732137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1324262.

The product of its digits is 37044, while the sum is 37.

The spelling of 13271732137 in words is "thirteen billion, two hundred seventy-one million, seven hundred thirty-two thousand, one hundred thirty-seven".