140335140 has 192 divisors, whose sum is σ = 467066880. Its totient is φ = 31190400.

The previous prime is 140335081. The next prime is 140335141. The reversal of 140335140 is 41533041.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140335141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4526925 + ... + 4526955.

It is an arithmetic number, because the mean of its divisors is an integer number (2432640).

Almost surely, 2^140335140 is an apocalyptic number.

140335140 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 140335140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (233533440).

140335140 is an abundant number, since it is smaller than the sum of its proper divisors (326731740).

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

140335140 is a wasteful number, since it uses less digits than its factorization.

140335140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111 (or 71 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 140335140 is about 11846.3133505745. The cubic root of 140335140 is about 519.6634163066.

Adding to 140335140 its reverse (41533041), we get a palindrome (181868181).

The spelling of 140335140 in words is "one hundred forty million, three hundred thirty-five thousand, one hundred forty".