140442659393 has 8 divisors (see below), whose sum is σ = 141216451200. Its totient is φ = 139669548480.

The previous prime is 140442659381. The next prime is 140442659417. The reversal of 140442659393 is 393956244041.

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

It is a cyclic number.

It is not a de Polignac number, because 140442659393 - 2¹⁶ = 140442593857 is a prime.

It is a super-2 number, since 2×140442659393² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140442659303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 246233 + ... + 584393.

It is an arithmetic number, because the mean of its divisors is an integer number (17652056400).

Almost surely, 2^140442659393 is an apocalyptic number.

It is an amenable number.

140442659393 is a deficient number, since it is larger than the sum of its proper divisors (773791807).

140442659393 is a wasteful number, since it uses less digits than its factorization.

140442659393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340447.

The product of its (nonzero) digits is 2799360, while the sum is 50.

The spelling of 140442659393 in words is "one hundred forty billion, four hundred forty-two million, six hundred fifty-nine thousand, three hundred ninety-three".