140140341329 has 4 divisors (see below), whose sum is σ = 140376666276. Its totient is φ = 139904016384.

The previous prime is 140140341293. The next prime is 140140341331. The reversal of 140140341329 is 923143041041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 923143041041 = 13 ⋅71011003157.

It can be written as a sum of positive squares in 2 ways, for example, as 110054745025 + 30085596304 = 331745^2 + 173452^2 .

It is a cyclic number.

It is not a de Polignac number, because 140140341329 - 2³² = 135845374033 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 140140341295 and 140140341304.

It is not an unprimeable number, because it can be changed into a prime (140140341389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 118161584 + ... + 118162769.

It is an arithmetic number, because the mean of its divisors is an integer number (35094166569).

Almost surely, 2^140140341329 is an apocalyptic number.

It is an amenable number.

140140341329 is a deficient number, since it is larger than the sum of its proper divisors (236324947).

140140341329 is an equidigital number, since it uses as much as digits as its factorization.

140140341329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236324946.

The product of its (nonzero) digits is 10368, while the sum is 32.

The spelling of 140140341329 in words is "one hundred forty billion, one hundred forty million, three hundred forty-one thousand, three hundred twenty-nine".