140231342 has 8 divisors (see below), whose sum is σ = 215238936. Its totient is φ = 68485032.

The previous prime is 140231323. The next prime is 140231347. The reversal of 140231342 is 243132041.

140231342 is digitally balanced in base 2 and base 3, because in such bases 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 not an unprimeable number, because it can be changed into a prime (140231347) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 815213 + ... + 815384.

It is an arithmetic number, because the mean of its divisors is an integer number (26904867).

Almost surely, 2^140231342 is an apocalyptic number.

140231342 is a deficient number, since it is larger than the sum of its proper divisors (75007594).

140231342 is a wasteful number, since it uses less digits than its factorization.

140231342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1630642.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 140231342 is about 11841.9315147488. The cubic root of 140231342 is about 519.5352627842.

Adding to 140231342 its reverse (243132041), we get a palindrome (383363383).

The spelling of 140231342 in words is "one hundred forty million, two hundred thirty-one thousand, three hundred forty-two".