140684817586 has 16 divisors (see below), whose sum is σ = 216036033048. Its totient is φ = 68691888000.

The previous prime is 140684817583. The next prime is 140684817587. The reversal of 140684817586 is 685718486041.

140684817586 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 122790672225 + 17894145361 = 350415^2 + 133769^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 140684817586.

It is not an unprimeable number, because it can be changed into a prime (140684817583) 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 7 ways as a sum of consecutive naturals, for example, 4755525 + ... + 4785016.

Almost surely, 2^140684817586 is an apocalyptic number.

140684817586 is a deficient number, since it is larger than the sum of its proper divisors (75351215462).

140684817586 is a wasteful number, since it uses less digits than its factorization.

140684817586 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9540717.

The product of its (nonzero) digits is 10321920, while the sum is 58.

The spelling of 140684817586 in words is "one hundred forty billion, six hundred eighty-four million, eight hundred seventeen thousand, five hundred eighty-six".