140313443 has 4 divisors (see below), whose sum is σ = 140492520. Its totient is φ = 140134368.

The previous prime is 140313431. The next prime is 140313457. The reversal of 140313443 is 344313041.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 140313443 - 2¹⁶ = 140247907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140313403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88358 + ... + 89931.

It is an arithmetic number, because the mean of its divisors is an integer number (35123130).

Almost surely, 2^140313443 is an apocalyptic number.

140313443 is a deficient number, since it is larger than the sum of its proper divisors (179077).

140313443 is an equidigital number, since it uses as much as digits as its factorization.

140313443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179076.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 140313443 is about 11845.3975450383. The cubic root of 140313443 is about 519.6366334726.

Adding to 140313443 its reverse (344313041), we get a palindrome (484626484).

The spelling of 140313443 in words is "one hundred forty million, three hundred thirteen thousand, four hundred forty-three".