140343342 has 16 divisors (see below), whose sum is σ = 284240640. Its totient is φ = 46188792.

The previous prime is 140343323. The next prime is 140343353. The reversal of 140343342 is 243343041.

140343342 is digitally balanced in base 2, 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 polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 147568 + ... + 148515.

It is an arithmetic number, because the mean of its divisors is an integer number (17765040).

Almost surely, 2^140343342 is an apocalyptic number.

140343342 is an abundant number, since it is smaller than the sum of its proper divisors (143897298).

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

140343342 is a wasteful number, since it uses less digits than its factorization.

140343342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296167.

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 140343342 is about 11846.6595291669. The cubic root of 140343342 is about 519.6735401580.

Adding to 140343342 its reverse (243343041), we get a palindrome (383686383).

The spelling of 140343342 in words is "one hundred forty million, three hundred forty-three thousand, three hundred forty-two".