140822857 has 8 divisors (see below), whose sum is σ = 164365056. Its totient is φ = 118136832.

The previous prime is 140822837. The next prime is 140822861. The reversal of 140822857 is 758228041.

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 140822857 - 2⁷ = 140822729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140822827) 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 7 ways as a sum of consecutive naturals, for example, 213688 + ... + 214345.

It is an arithmetic number, because the mean of its divisors is an integer number (20545632).

Almost surely, 2^140822857 is an apocalyptic number.

It is an amenable number.

140822857 is a deficient number, since it is larger than the sum of its proper divisors (23542199).

140822857 is an equidigital number, since it uses as much as digits as its factorization.

140822857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428087.

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

The square root of 140822857 is about 11866.8806769092. The cubic root of 140822857 is about 520.2647283714.

The spelling of 140822857 in words is "one hundred forty million, eight hundred twenty-two thousand, eight hundred fifty-seven".