13140242321249 has 24 divisors (see below), whose sum is σ = 13647516609600. Its totient is φ = 12636772727040.

The previous prime is 13140242321231. The next prime is 13140242321257. The reversal of 13140242321249 is 94212324204131.

It is a de Polignac number, because none of the positive numbers 2^k-13140242321249 is a prime.

It is a super-2 number, since 2×13140242321249² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13140242321449) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6030399242 + ... + 6030401420.

It is an arithmetic number, because the mean of its divisors is an integer number (568646525400).

Almost surely, 2^{13140242321249} is an apocalyptic number.

It is an amenable number.

13140242321249 is a deficient number, since it is larger than the sum of its proper divisors (507274288351).

13140242321249 is an equidigital number, since it uses as much as digits as its factorization.

13140242321249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4713 (or 4376 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 38.

The spelling of 13140242321249 in words is "thirteen trillion, one hundred forty billion, two hundred forty-two million, three hundred twenty-one thousand, two hundred forty-nine".