140431342 has 8 divisors (see below), whose sum is σ = 211022856. Its totient is φ = 70090392.

The previous prime is 140431327. The next prime is 140431367. The reversal of 140431342 is 243134041.

140431342 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61233 + ... + 63484.

It is an arithmetic number, because the mean of its divisors is an integer number (26377857).

Almost surely, 2^140431342 is an apocalyptic number.

140431342 is a deficient number, since it is larger than the sum of its proper divisors (70591514).

140431342 is a wasteful number, since it uses less digits than its factorization.

140431342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125282.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 140431342 is about 11850.3730742960. The cubic root of 140431342 is about 519.7821350650.

Adding to 140431342 its reverse (243134041), we get a palindrome (383565383).

The spelling of 140431342 in words is "one hundred forty million, four hundred thirty-one thousand, three hundred forty-two".