6140061513 has 12 divisors (see below), whose sum is σ = 9390682548. Its totient is φ = 3852587520.

The previous prime is 6140061497. The next prime is 6140061517. The reversal of 6140061513 is 3151600416.

6140061513 is a `hidden beast` number, since 6 + 1 + 40 + 0 + 615 + 1 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 4748174649 + 1391886864 = 68907^2 + 37308^2 .

It is not a de Polignac number, because 6140061513 - 2⁴ = 6140061497 is a prime.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6140061517) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20065408 + ... + 20065713.

It is an arithmetic number, because the mean of its divisors is an integer number (782556879).

Almost surely, 2^6140061513 is an apocalyptic number.

It is an amenable number.

6140061513 is a deficient number, since it is larger than the sum of its proper divisors (3250621035).

6140061513 is a wasteful number, since it uses less digits than its factorization.

6140061513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40131144 (or 40131141 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 6140061513 is about 78358.5446074645. The cubic root of 6140061513 is about 1831.1513466049.

Adding to 6140061513 its reverse (3151600416), we get a palindrome (9291661929).

The spelling of 6140061513 in words is "six billion, one hundred forty million, sixty-one thousand, five hundred thirteen".