13140532142454 has 32 divisors (see below), whose sum is σ = 27695466996480. Its totient is φ = 4144963408992.

The previous prime is 13140532142443. The next prime is 13140532142459. The reversal of 13140532142454 is 45424123504131.

It is a super-2 number, since 2×13140532142454² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13140532142459) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64875109 + ... + 65077344.

It is an arithmetic number, because the mean of its divisors is an integer number (865483343640).

Almost surely, 2^{13140532142454} is an apocalyptic number.

13140532142454 is an abundant number, since it is smaller than the sum of its proper divisors (14554934854026).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13140532142454 is a wasteful number, since it uses less digits than its factorization.

13140532142454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129953364.

The product of its (nonzero) digits is 230400, while the sum is 39.

Adding to 13140532142454 its reverse (45424123504131), we get a palindrome (58564655646585).

The spelling of 13140532142454 in words is "thirteen trillion, one hundred forty billion, five hundred thirty-two million, one hundred forty-two thousand, four hundred fifty-four".