740139460665 has 16 divisors (see below), whose sum is σ = 1291879786176. Its totient is φ = 358855496000.

The previous prime is 740139460583. The next prime is 740139460667. The reversal of 740139460665 is 566064931047.

It is not a de Polignac number, because 740139460665 - 2⁷ = 740139460537 is a prime.

It is not an unprimeable number, because it can be changed into a prime (740139460667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2242846686 + ... + 2242847015.

It is an arithmetic number, because the mean of its divisors is an integer number (80742486636).

Almost surely, 2^740139460665 is an apocalyptic number.

It is an amenable number.

740139460665 is a deficient number, since it is larger than the sum of its proper divisors (551740325511).

740139460665 is a wasteful number, since it uses less digits than its factorization.

740139460665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4485693720.

The product of its (nonzero) digits is 3265920, while the sum is 51.

The spelling of 740139460665 in words is "seven hundred forty billion, one hundred thirty-nine million, four hundred sixty thousand, six hundred sixty-five".