65140645014 has 28 divisors (see below), whose sum is σ = 146499437436. Its totient is φ = 21713547852.

The previous prime is 65140645007. The next prime is 65140645039. The reversal of 65140645014 is 41054604156.

65140645014 is a `hidden beast` number, since 6 + 5 + 1 + 4 + 0 + 645 + 0 + 1 + 4 = 666.

It is a super-3 number, since 3×65140645014³ (a number of 33 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 65140645014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 22337584 + ... + 22340499.

Almost surely, 2^65140645014 is an apocalyptic number.

65140645014 is an abundant number, since it is smaller than the sum of its proper divisors (81358792422).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65140645014 is an equidigital number, since it uses as much as digits as its factorization.

65140645014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44678103 (or 44678088 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The spelling of 65140645014 in words is "sixty-five billion, one hundred forty million, six hundred forty-five thousand, fourteen".