6540143735 has 8 divisors (see below), whose sum is σ = 7849078416. Its totient is φ = 5231511040.

The previous prime is 6540143719. The next prime is 6540143747. The reversal of 6540143735 is 5373410456.

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

It is not a de Polignac number, because 6540143735 - 2⁴ = 6540143719 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24746 + ... + 117015.

It is an arithmetic number, because the mean of its divisors is an integer number (981134802).

Almost surely, 2^6540143735 is an apocalyptic number.

6540143735 is a deficient number, since it is larger than the sum of its proper divisors (1308934681).

6540143735 is a wasteful number, since it uses less digits than its factorization.

6540143735 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150993.

The product of its (nonzero) digits is 151200, while the sum is 38.

The square root of 6540143735 is about 80871.1551481738. The cubic root of 6540143735 is about 1870.0896689346.

The spelling of 6540143735 in words is "six billion, five hundred forty million, one hundred forty-three thousand, seven hundred thirty-five".