140545540565 has 16 divisors (see below), whose sum is σ = 174855406080. Its totient is φ = 108334272960.

The previous prime is 140545540559. The next prime is 140545540573. The reversal of 140545540565 is 565045545041.

It is not a de Polignac number, because 140545540565 - 2⁸ = 140545540309 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 1944299 + ... + 2015288.

It is an arithmetic number, because the mean of its divisors is an integer number (10928462880).

Almost surely, 2^140545540565 is an apocalyptic number.

It is an amenable number.

140545540565 is a deficient number, since it is larger than the sum of its proper divisors (34309865515).

140545540565 is a wasteful number, since it uses less digits than its factorization.

140545540565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3959852.

The product of its (nonzero) digits is 1200000, while the sum is 44.

The spelling of 140545540565 in words is "one hundred forty billion, five hundred forty-five million, five hundred forty thousand, five hundred sixty-five".