140822785 has 16 divisors (see below), whose sum is σ = 171320832. Its totient is φ = 111112000.

The previous prime is 140822783. The next prime is 140822789. The reversal of 140822785 is 587228041.

It is not a de Polignac number, because 140822785 - 2¹ = 140822783 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140822783) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 217332 + ... + 217978.

It is an arithmetic number, because the mean of its divisors is an integer number (10707552).

Almost surely, 2^140822785 is an apocalyptic number.

It is an amenable number.

140822785 is a deficient number, since it is larger than the sum of its proper divisors (30498047).

140822785 is a wasteful number, since it uses less digits than its factorization.

140822785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1184.

The product of its (nonzero) digits is 35840, while the sum is 37.

The square root of 140822785 is about 11866.8776432556. The cubic root of 140822785 is about 520.2646397043.

The spelling of 140822785 in words is "one hundred forty million, eight hundred twenty-two thousand, seven hundred eighty-five".