140655031345 has 4 divisors (see below), whose sum is σ = 168786037620. Its totient is φ = 112524025072.

The previous prime is 140655031343. The next prime is 140655031367. The reversal of 140655031345 is 543130556041.

140655031345 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 38359964449 + 102295066896 = 195857^2 + 319836^2 .

It is a cyclic number.

It is not a de Polignac number, because 140655031345 - 2¹ = 140655031343 is a prime.

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 3 ways as a sum of consecutive naturals, for example, 14065503130 + ... + 14065503139.

It is an arithmetic number, because the mean of its divisors is an integer number (42196509405).

Almost surely, 2^140655031345 is an apocalyptic number.

It is an amenable number.

140655031345 is a deficient number, since it is larger than the sum of its proper divisors (28131006275).

140655031345 is an equidigital number, since it uses as much as digits as its factorization.

140655031345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28131006274.

The product of its (nonzero) digits is 108000, while the sum is 37.

Adding to 140655031345 its reverse (543130556041), we get a palindrome (683785587386).

The spelling of 140655031345 in words is "one hundred forty billion, six hundred fifty-five million, thirty-one thousand, three hundred forty-five".