140343424 has 128 divisors (see below), whose sum is σ = 332438400. Its totient is φ = 58392576.

The previous prime is 140343409. The next prime is 140343433. The reversal of 140343424 is 424343041.

140343424 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (128).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 727072 + ... + 727264.

It is an arithmetic number, because the mean of its divisors is an integer number (2597175).

Almost surely, 2^140343424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140343424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (166219200).

140343424 is an abundant number, since it is smaller than the sum of its proper divisors (192094976).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140343424 is a wasteful number, since it uses less digits than its factorization.

140343424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262 (or 250 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 140343424 is about 11846.6629900576. The cubic root of 140343424 is about 519.6736413699.

Adding to 140343424 its reverse (424343041), we get a palindrome (564686465).

The spelling of 140343424 in words is "one hundred forty million, three hundred forty-three thousand, four hundred twenty-four".