140325840 has 120 divisors (see below), whose sum is σ = 486540288. Its totient is φ = 36207360.

The previous prime is 140325839. The next prime is 140325841. The reversal of 140325840 is 48523041.

140325840 is a `hidden beast` number, since 1 + 403 + 258 + 4 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (140325839) and next prime (140325841).

It is a tau number, because it is divible by the number of its divisors (120).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140325841) 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 23 ways as a sum of consecutive naturals, for example, 19177 + ... + 25463.

Almost surely, 2^140325840 is an apocalyptic number.

140325840 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 140325840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (243270144).

140325840 is an abundant number, since it is smaller than the sum of its proper divisors (346214448).

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

140325840 is a wasteful number, since it uses less digits than its factorization.

140325840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6337 (or 6328 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 140325840 is about 11845.9208168888. The cubic root of 140325840 is about 519.6519367002.

Adding to 140325840 its reverse (48523041), we get a palindrome (188848881).

The spelling of 140325840 in words is "one hundred forty million, three hundred twenty-five thousand, eight hundred forty".