140655031346 has 16 divisors (see below), whose sum is σ = 214459607040. Its totient is φ = 69168692880.

The previous prime is 140655031343. The next prime is 140655031367. The reversal of 140655031346 is 643130556041.

140655031346 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (140655031343) 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, 1612685 + ... + 1697663.

It is an arithmetic number, because the mean of its divisors is an integer number (13403725440).

Almost surely, 2^140655031346 is an apocalyptic number.

140655031346 is a deficient number, since it is larger than the sum of its proper divisors (73804575694).

140655031346 is a wasteful number, since it uses less digits than its factorization.

140655031346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98609.

The product of its (nonzero) digits is 129600, while the sum is 38.

Adding to 140655031346 its reverse (643130556041), we get a palindrome (783785587387).

The spelling of 140655031346 in words is "one hundred forty billion, six hundred fifty-five million, thirty-one thousand, three hundred forty-six".