140665562345 has 64 divisors (see below), whose sum is σ = 219710693376. Its totient is φ = 83832967680.

The previous prime is 140665562341. The next prime is 140665562353. The reversal of 140665562345 is 543265566041.

It is not a de Polignac number, because 140665562345 - 2² = 140665562341 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 140665562345.

It is not an unprimeable number, because it can be changed into a prime (140665562341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 33354677 + ... + 33358893.

It is an arithmetic number, because the mean of its divisors is an integer number (3432979584).

Almost surely, 2^140665562345 is an apocalyptic number.

It is an amenable number.

140665562345 is a deficient number, since it is larger than the sum of its proper divisors (79045131031).

140665562345 is a wasteful number, since it uses less digits than its factorization.

140665562345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8030.

The product of its (nonzero) digits is 2592000, while the sum is 47.

The spelling of 140665562345 in words is "one hundred forty billion, six hundred sixty-five million, five hundred sixty-two thousand, three hundred forty-five".