6540141 has 8 divisors (see below), whose sum is σ = 8739360. Its totient is φ = 4350512.

The previous prime is 6540139. The next prime is 6540169. The reversal of 6540141 is 1410456.

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

It is a cyclic number.

It is not a de Polignac number, because 6540141 - 2¹ = 6540139 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6540181) 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, 615 + ... + 3668.

It is an arithmetic number, because the mean of its divisors is an integer number (1092420).

Almost surely, 2^6540141 is an apocalyptic number.

It is an amenable number.

6540141 is a deficient number, since it is larger than the sum of its proper divisors (2199219).

6540141 is a wasteful number, since it uses less digits than its factorization.

6540141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4795.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 6540141 is about 2557.3699380418. The cubic root of 6540141 is about 187.0089408252.

Adding to 6540141 its reverse (1410456), we get a palindrome (7950597).

The spelling of 6540141 in words is "six million, five hundred forty thousand, one hundred forty-one".