140335680 has 112 divisors (see below), whose sum is σ = 471830400. Its totient is φ = 35217408.

The previous prime is 140335639. The next prime is 140335681. The reversal of 140335680 is 86533041.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (140335681) 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 15 ways as a sum of consecutive naturals, for example, 12021 + ... + 20619.

Almost surely, 2^140335680 is an apocalyptic number.

140335680 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 140335680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (235915200).

140335680 is an abundant number, since it is smaller than the sum of its proper divisors (331494720).

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

140335680 is a wasteful number, since it uses less digits than its factorization.

140335680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8636 (or 8626 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 140335680 is about 11846.3361424535. The cubic root of 140335680 is about 519.6640828488.

The spelling of 140335680 in words is "one hundred forty million, three hundred thirty-five thousand, six hundred eighty".