6540035386 has 8 divisors (see below), whose sum is σ = 9810746100. Its totient is φ = 3269786688.

The previous prime is 6540035357. The next prime is 6540035387. The reversal of 6540035386 is 6835300456.

It can be written as a sum of positive squares in 2 ways, for example, as 5952894025 + 587141361 = 77155^2 + 24231^2 .

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

It is not an unprimeable number, because it can be changed into a prime (6540035387) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77631 + ... + 138226.

Almost surely, 2^6540035386 is an apocalyptic number.

6540035386 is a deficient number, since it is larger than the sum of its proper divisors (3270710714).

6540035386 is a wasteful number, since it uses less digits than its factorization.

6540035386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231008.

The product of its (nonzero) digits is 259200, while the sum is 40.

The square root of 6540035386 is about 80870.4852588384. The cubic root of 6540035386 is about 1870.0793417678.

The spelling of 6540035386 in words is "six billion, five hundred forty million, thirty-five thousand, three hundred eighty-six".