140320424413 has 4 divisors (see below), whose sum is σ = 151114303228. Its totient is φ = 129526545600.

The previous prime is 140320424407. The next prime is 140320424417. The reversal of 140320424413 is 314424023041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 314424023041 = 61 ⋅5154492181.

It can be written as a sum of positive squares in 2 ways, for example, as 18660379609 + 121660044804 = 136603^2 + 348798^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140320424413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140320424417) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5396939388 + ... + 5396939413.

It is an arithmetic number, because the mean of its divisors is an integer number (37778575807).

Almost surely, 2^140320424413 is an apocalyptic number.

140320424413 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

140320424413 is a deficient number, since it is larger than the sum of its proper divisors (10793878815).

140320424413 is a wasteful number, since it uses less digits than its factorization.

140320424413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10793878814.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 140320424413 its reverse (314424023041), we get a palindrome (454744447454).

The spelling of 140320424413 in words is "one hundred forty billion, three hundred twenty million, four hundred twenty-four thousand, four hundred thirteen".