6540141133431 has 6 divisors (see below), whose sum is σ = 9446870526080. Its totient is φ = 4360094088948.

The previous prime is 6540141133397. The next prime is 6540141133451. The reversal of 6540141133431 is 1343311410456.

6540141133431 is a `hidden beast` number, since 6 + 54 + 0 + 1 + 41 + 133 + 431 = 666.

It is not a de Polignac number, because 6540141133431 - 2⁶ = 6540141133367 is a prime.

It is a super-4 number, since 4×6540141133431⁴ (a number of 52 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6540141133451) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 363341174071 + ... + 363341174088.

Almost surely, 2^{6540141133431} is an apocalyptic number.

6540141133431 is a deficient number, since it is larger than the sum of its proper divisors (2906729392649).

6540141133431 is a wasteful number, since it uses less digits than its factorization.

6540141133431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 726682348165 (or 726682348162 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

Adding to 6540141133431 its reverse (1343311410456), we get a palindrome (7883452543887).

The spelling of 6540141133431 in words is "six trillion, five hundred forty billion, one hundred forty-one million, one hundred thirty-three thousand, four hundred thirty-one".