140320344345 has 16 divisors (see below), whose sum is σ = 224526220800. Its totient is φ = 74832960384.

The previous prime is 140320344331. The next prime is 140320344347. The reversal of 140320344345 is 543443023041.

It is not a de Polignac number, because 140320344345 - 2⁵ = 140320344313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (140320344347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22420 + ... + 530229.

It is an arithmetic number, because the mean of its divisors is an integer number (14032888800).

Almost surely, 2^140320344345 is an apocalyptic number.

140320344345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

140320344345 is a deficient number, since it is larger than the sum of its proper divisors (84205876455).

140320344345 is a wasteful number, since it uses less digits than its factorization.

140320344345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 569584.

The product of its (nonzero) digits is 69120, while the sum is 33.

Adding to 140320344345 its reverse (543443023041), we get a palindrome (683763367386).

The spelling of 140320344345 in words is "one hundred forty billion, three hundred twenty million, three hundred forty-four thousand, three hundred forty-five".