140085647 has 8 divisors (see below), whose sum is σ = 153419280. Its totient is φ = 127117440.

The previous prime is 140085629. The next prime is 140085679. The reversal of 140085647 is 746580041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 140085647 - 2²⁴ = 123308431 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140085947) 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 7 ways as a sum of consecutive naturals, for example, 90554 + ... + 92087.

It is an arithmetic number, because the mean of its divisors is an integer number (19177410).

Almost surely, 2^140085647 is an apocalyptic number.

140085647 is a deficient number, since it is larger than the sum of its proper divisors (13333633).

140085647 is a wasteful number, since it uses less digits than its factorization.

140085647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182713.

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 140085647 is about 11835.7782591598. The cubic root of 140085647 is about 519.3552746815.

The spelling of 140085647 in words is "one hundred forty million, eighty-five thousand, six hundred forty-seven".