140340342 has 16 divisors (see below), whose sum is σ = 292884480. Its totient is φ = 44746152.

The previous prime is 140340329. The next prime is 140340349. The reversal of 140340342 is 243043041.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140340349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 508342 + ... + 508617.

It is an arithmetic number, because the mean of its divisors is an integer number (18305280).

Almost surely, 2^140340342 is an apocalyptic number.

140340342 is an abundant number, since it is smaller than the sum of its proper divisors (152544138).

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

140340342 is a wasteful number, since it uses less digits than its factorization.

140340342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1016987.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 140340342 is about 11846.5329105186. The cubic root of 140340342 is about 519.6698372589.

Adding to 140340342 its reverse (243043041), we get a palindrome (383383383).

The spelling of 140340342 in words is "one hundred forty million, three hundred forty thousand, three hundred forty-two".