13140311543542 has 8 divisors (see below), whose sum is σ = 19710846103896. Its totient is φ = 6570029508912.

The previous prime is 13140311543497. The next prime is 13140311543573. The reversal of 13140311543542 is 24534511304131.

It is a happy number.

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

It is a super-2 number, since 2×13140311543542² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63001288 + ... + 63209515.

It is an arithmetic number, because the mean of its divisors is an integer number (2463855762987).

Almost surely, 2^{13140311543542} is an apocalyptic number.

13140311543542 is a deficient number, since it is larger than the sum of its proper divisors (6570534560354).

13140311543542 is a wasteful number, since it uses less digits than its factorization.

13140311543542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126262862.

The product of its (nonzero) digits is 86400, while the sum is 37.

Adding to 13140311543542 its reverse (24534511304131), we get a palindrome (37674822847673).

The spelling of 13140311543542 in words is "thirteen trillion, one hundred forty billion, three hundred eleven million, five hundred forty-three thousand, five hundred forty-two".