140140002340 has 96 divisors (see below), whose sum is σ = 331779442176. Its totient is φ = 49334461440.

The previous prime is 140140002337. The next prime is 140140002349. The reversal of 140140002340 is 43200041041.

It is not an unprimeable number, because it can be changed into a prime (140140002349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1822104 + ... + 1897456.

It is an arithmetic number, because the mean of its divisors is an integer number (3456035856).

Almost surely, 2^140140002340 is an apocalyptic number.

140140002340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140140002340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165889721088).

140140002340 is an abundant number, since it is smaller than the sum of its proper divisors (191639439836).

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

140140002340 is a wasteful number, since it uses less digits than its factorization.

140140002340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75709 (or 75707 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 140140002340 its reverse (43200041041), we get a palindrome (183340043381).

The spelling of 140140002340 in words is "one hundred forty billion, one hundred forty million, two thousand, three hundred forty".