13140442131 has 8 divisors (see below), whose sum is σ = 17527599360. Its totient is φ = 8756789832.

The previous prime is 13140442129. The next prime is 13140442171. The reversal of 13140442131 is 13124404131.

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

It is not a de Polignac number, because 13140442131 - 2¹ = 13140442129 is a prime.

It is a super-3 number, since 3×13140442131³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (13140442171) 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, 867471 + ... + 882488.

It is an arithmetic number, because the mean of its divisors is an integer number (2190949920).

Almost surely, 2^13140442131 is an apocalyptic number.

13140442131 is a deficient number, since it is larger than the sum of its proper divisors (4387157229).

13140442131 is a wasteful number, since it uses less digits than its factorization.

13140442131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1752465.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 13140442131 its reverse (13124404131), we get a palindrome (26264846262).

The spelling of 13140442131 in words is "thirteen billion, one hundred forty million, four hundred forty-two thousand, one hundred thirty-one".