140332340 has 48 divisors (see below), whose sum is σ = 307676880. Its totient is φ = 53713920.

The previous prime is 140332337. The next prime is 140332369. The reversal of 140332340 is 43233041.

It can be written as a sum of positive squares in 8 ways, for example, as 15697444 + 124634896 = 3962^2 + 11164^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

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, 41846 + ... + 45074.

It is an arithmetic number, because the mean of its divisors is an integer number (6409935).

Almost surely, 2^140332340 is an apocalyptic number.

140332340 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 140332340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (153838440).

140332340 is an abundant number, since it is smaller than the sum of its proper divisors (167344540).

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

140332340 is a wasteful number, since it uses less digits than its factorization.

140332340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3332 (or 3330 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 140332340 is about 11846.1951697581. The cubic root of 140332340 is about 519.6599601344.

Adding to 140332340 its reverse (43233041), we get a palindrome (183565381).

The spelling of 140332340 in words is "one hundred forty million, three hundred thirty-two thousand, three hundred forty".