140007340 has 48 divisors (see below), whose sum is σ = 323334144. Its totient is φ = 50500800.

The previous prime is 140007317. The next prime is 140007347. The reversal of 140007340 is 43700041.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (140007347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25435 + ... + 30445.

It is an arithmetic number, because the mean of its divisors is an integer number (6736128).

Almost surely, 2^140007340 is an apocalyptic number.

140007340 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 140007340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (161667072).

140007340 is an abundant number, since it is smaller than the sum of its proper divisors (183326804).

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

140007340 is a wasteful number, since it uses less digits than its factorization.

140007340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5158 (or 5156 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 140007340 is about 11832.4697337454. The cubic root of 140007340 is about 519.2584845281.

Adding to 140007340 its reverse (43700041), we get a palindrome (183707381).

The spelling of 140007340 in words is "one hundred forty million, seven thousand, three hundred forty".