140424340 has 48 divisors (see below), whose sum is σ = 340389504. Its totient is φ = 47664000.

The previous prime is 140424331. The next prime is 140424353. The reversal of 140424340 is 43424041.

140424340 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 9175 + ... + 19105.

It is an arithmetic number, because the mean of its divisors is an integer number (7091448).

Almost surely, 2^140424340 is an apocalyptic number.

140424340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140424340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (170194752).

140424340 is an abundant number, since it is smaller than the sum of its proper divisors (199965164).

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

140424340 is a wasteful number, since it uses less digits than its factorization.

140424340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10048 (or 10046 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 140424340 is about 11850.0776368765. The cubic root of 140424340 is about 519.7734960272.

Adding to 140424340 its reverse (43424041), we get a palindrome (183848381).

The spelling of 140424340 in words is "one hundred forty million, four hundred twenty-four thousand, three hundred forty".