140994443 has 8 divisors (see below), whose sum is σ = 142705200. Its totient is φ = 139291488.

The previous prime is 140994437. The next prime is 140994461. The reversal of 140994443 is 344499041.

It is a happy number.

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 140994443 - 2⁸ = 140994187 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 140994397 and 140994406.

It is not an unprimeable number, because it can be changed into a prime (140994473) 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, 39605 + ... + 43017.

It is an arithmetic number, because the mean of its divisors is an integer number (17838150).

Almost surely, 2^140994443 is an apocalyptic number.

140994443 is a deficient number, since it is larger than the sum of its proper divisors (1710757).

140994443 is a wasteful number, since it uses less digits than its factorization.

140994443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3901.

The product of its (nonzero) digits is 62208, while the sum is 38.

The square root of 140994443 is about 11874.1080928211. The cubic root of 140994443 is about 520.4759486069.

The spelling of 140994443 in words is "one hundred forty million, nine hundred ninety-four thousand, four hundred forty-three".