140631342 has 8 divisors (see below), whose sum is σ = 281262696. Its totient is φ = 46877112.

The previous prime is 140631341. The next prime is 140631343. The reversal of 140631342 is 243136041.

140631342 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 an interprime number because it is at equal distance from previous prime (140631341) and next prime (140631343).

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

140631342 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140631341) 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, 11719273 + ... + 11719284.

It is an arithmetic number, because the mean of its divisors is an integer number (35157837).

Almost surely, 2^140631342 is an apocalyptic number.

140631342 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

140631342 is a wasteful number, since it uses less digits than its factorization.

140631342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23438562.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 140631342 is about 11858.8086248156. The cubic root of 140631342 is about 520.0287730627.

Adding to 140631342 its reverse (243136041), we get a palindrome (383767383).

The spelling of 140631342 in words is "one hundred forty million, six hundred thirty-one thousand, three hundred forty-two".