140864968443 has 18 divisors (see below), whose sum is σ = 188672365404. Its totient is φ = 93485697984.

The previous prime is 140864968427. The next prime is 140864968487. The reversal of 140864968443 is 344869468041.

It is not a de Polignac number, because 140864968443 - 2⁴ = 140864968427 is a prime.

It is not an unprimeable number, because it can be changed into a prime (140864968423) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 219074280 + ... + 219074922.

It is an arithmetic number, because the mean of its divisors is an integer number (10481798078).

Almost surely, 2^140864968443 is an apocalyptic number.

140864968443 is a deficient number, since it is larger than the sum of its proper divisors (47807396961).

140864968443 is an frugal number, since it uses more digits than its factorization.

140864968443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1963 (or 983 counting only the distinct ones).

The product of its (nonzero) digits is 15925248, while the sum is 57.

The spelling of 140864968443 in words is "one hundred forty billion, eight hundred sixty-four million, nine hundred sixty-eight thousand, four hundred forty-three".