140822085 has 32 divisors (see below), whose sum is σ = 234783360. Its totient is φ = 72012800.

The previous prime is 140822083. The next prime is 140822107. The reversal of 140822085 is 580228041.

It is not a de Polignac number, because 140822085 - 2¹ = 140822083 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 (140822083) 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 31 ways as a sum of consecutive naturals, for example, 34345 + ... + 38225.

It is an arithmetic number, because the mean of its divisors is an integer number (7336980).

Almost surely, 2^140822085 is an apocalyptic number.

140822085 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

140822085 is a deficient number, since it is larger than the sum of its proper divisors (93961275).

140822085 is a wasteful number, since it uses less digits than its factorization.

140822085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3989.

The product of its (nonzero) digits is 5120, while the sum is 30.

The square root of 140822085 is about 11866.8481493613. The cubic root of 140822085 is about 520.2637776614.

The spelling of 140822085 in words is "one hundred forty million, eight hundred twenty-two thousand, eighty-five".