140431443 has 8 divisors (see below), whose sum is σ = 187666368. Its totient is φ = 93408744.

The previous prime is 140431429. The next prime is 140431453. The reversal of 140431443 is 344134041.

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

It is not a de Polignac number, because 140431443 - 2⁵ = 140431411 is a prime.

It is not an unprimeable number, because it can be changed into a prime (140431453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51505 + ... + 54162.

It is an arithmetic number, because the mean of its divisors is an integer number (23458296).

Almost surely, 2^140431443 is an apocalyptic number.

140431443 is a deficient number, since it is larger than the sum of its proper divisors (47234925).

140431443 is a wasteful number, since it uses less digits than its factorization.

140431443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106113.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 140431443 is about 11850.3773357645. The cubic root of 140431443 is about 519.7822596763.

Adding to 140431443 its reverse (344134041), we get a palindrome (484565484).

The spelling of 140431443 in words is "one hundred forty million, four hundred thirty-one thousand, four hundred forty-three".