140404342 has 32 divisors (see below), whose sum is σ = 231404544. Its totient is φ = 63504000.

The previous prime is 140404333. The next prime is 140404361. The reversal of 140404342 is 243404041.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 333292 + ... + 333712.

It is an arithmetic number, because the mean of its divisors is an integer number (7231392).

Almost surely, 2^140404342 is an apocalyptic number.

140404342 is a deficient number, since it is larger than the sum of its proper divisors (91000202).

140404342 is a wasteful number, since it uses less digits than its factorization.

140404342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 664.

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

The square root of 140404342 is about 11849.2338148928. The cubic root of 140404342 is about 519.7488209986.

Adding to 140404342 its reverse (243404041), we get a palindrome (383808383).

The spelling of 140404342 in words is "one hundred forty million, four hundred four thousand, three hundred forty-two".