140043423432313 has 8 divisors (see below), whose sum is σ = 140904439585416. Its totient is φ = 139184629257600.

The previous prime is 140043423432271. The next prime is 140043423432343. The reversal of 140043423432313 is 313234324340041.

It can be written as a sum of positive squares in 4 ways, for example, as 11454786098064 + 128588637334249 = 3384492^2 + 11339693^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140043423432313 is a prime.

It is a super-2 number, since 2×140043423432313² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140043423432343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 555368158 + ... + 555620263.

It is an arithmetic number, because the mean of its divisors is an integer number (17613054948177).

Almost surely, 2^{140043423432313} is an apocalyptic number.

It is an amenable number.

140043423432313 is a deficient number, since it is larger than the sum of its proper divisors (861016153103).

140043423432313 is a wasteful number, since it uses less digits than its factorization.

140043423432313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1110989195.

The product of its (nonzero) digits is 248832, while the sum is 37.

Adding to 140043423432313 its reverse (313234324340041), we get a palindrome (453277747772354).

The spelling of 140043423432313 in words is "one hundred forty trillion, forty-three billion, four hundred twenty-three million, four hundred thirty-two thousand, three hundred thirteen".