140665573843 has 8 divisors (see below), whose sum is σ = 144070016256. Its totient is φ = 137288923200.

The previous prime is 140665573819. The next prime is 140665573913. The reversal of 140665573843 is 348375566041.

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-140665573843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140665573813) 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, 6937698 + ... + 6957943.

It is an arithmetic number, because the mean of its divisors is an integer number (18008752032).

Almost surely, 2^140665573843 is an apocalyptic number.

140665573843 is a deficient number, since it is larger than the sum of its proper divisors (3404442413).

140665573843 is a wasteful number, since it uses less digits than its factorization.

140665573843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13895885.

The product of its (nonzero) digits is 7257600, while the sum is 52.

The spelling of 140665573843 in words is "one hundred forty billion, six hundred sixty-five million, five hundred seventy-three thousand, eight hundred forty-three".