65813040142 has 8 divisors (see below), whose sum is σ = 103915326600. Its totient is φ = 31174597944.

The previous prime is 65813040119. The next prime is 65813040157. The reversal of 65813040142 is 24104031856.

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

It is a junction number, because it is equal to n+sod(n) for n = 65813040098 and 65813040107.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 865961017 + ... + 865961092.

It is an arithmetic number, because the mean of its divisors is an integer number (12989415825).

Almost surely, 2^65813040142 is an apocalyptic number.

65813040142 is a deficient number, since it is larger than the sum of its proper divisors (38102286458).

65813040142 is a wasteful number, since it uses less digits than its factorization.

65813040142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1731922130.

The product of its (nonzero) digits is 23040, while the sum is 34.

Adding to 65813040142 its reverse (24104031856), we get a palindrome (89917071998).

The spelling of 65813040142 in words is "sixty-five billion, eight hundred thirteen million, forty thousand, one hundred forty-two".