140516681605 has 16 divisors (see below), whose sum is σ = 170739866304. Its totient is φ = 111006829440.

The previous prime is 140516681537. The next prime is 140516681609. The reversal of 140516681605 is 506186615041.

140516681605 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 140516681605 - 2⁷ = 140516681477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140516681609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 252111 + ... + 587020.

It is an arithmetic number, because the mean of its divisors is an integer number (10671241644).

Almost surely, 2^140516681605 is an apocalyptic number.

It is an amenable number.

140516681605 is a deficient number, since it is larger than the sum of its proper divisors (30223184699).

140516681605 is a wasteful number, since it uses less digits than its factorization.

140516681605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 839556.

The product of its (nonzero) digits is 172800, while the sum is 43.

The spelling of 140516681605 in words is "one hundred forty billion, five hundred sixteen million, six hundred eighty-one thousand, six hundred five".