140063685 has 32 divisors (see below), whose sum is σ = 235551360. Its totient is φ = 70979328.

The previous prime is 140063681. The next prime is 140063689. The reversal of 140063685 is 586360041.

It is an interprime number because it is at equal distance from previous prime (140063681) and next prime (140063689).

It is not a de Polignac number, because 140063685 - 2² = 140063681 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140063681) 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 31 ways as a sum of consecutive naturals, for example, 20931 + ... + 26799.

It is an arithmetic number, because the mean of its divisors is an integer number (7360980).

Almost surely, 2^140063685 is an apocalyptic number.

140063685 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

140063685 is a deficient number, since it is larger than the sum of its proper divisors (95487675).

140063685 is a wasteful number, since it uses less digits than its factorization.

140063685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5957.

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 140063685 is about 11834.8504426545. The cubic root of 140063685 is about 519.3281325322.

The spelling of 140063685 in words is "one hundred forty million, sixty-three thousand, six hundred eighty-five".