140001340 has 48 divisors (see below), whose sum is σ = 303482592. Its totient is φ = 54210816.

The previous prime is 140001287. The next prime is 140001349. The reversal of 140001340 is 43100041.

140001340 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 140001340.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140001349) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 204639 + ... + 205321.

It is an arithmetic number, because the mean of its divisors is an integer number (6322554).

Almost surely, 2^140001340 is an apocalyptic number.

140001340 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 140001340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151741296).

140001340 is an abundant number, since it is smaller than the sum of its proper divisors (163481252).

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

140001340 is a wasteful number, since it uses less digits than its factorization.

140001340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1006 (or 1004 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 140001340 is about 11832.2161913988. The cubic root of 140001340 is about 519.2510668327.

Adding to 140001340 its reverse (43100041), we get a palindrome (183101381).

The spelling of 140001340 in words is "one hundred forty million, one thousand, three hundred forty".