140889163 has 4 divisors (see below), whose sum is σ = 145747440. Its totient is φ = 136030888.

The previous prime is 140889121. The next prime is 140889167. The reversal of 140889163 is 361988041.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 140889163 - 2⁹ = 140888651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140889167) 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 3 ways as a sum of consecutive naturals, for example, 2429095 + ... + 2429152.

It is an arithmetic number, because the mean of its divisors is an integer number (36436860).

Almost surely, 2^140889163 is an apocalyptic number.

140889163 is a deficient number, since it is larger than the sum of its proper divisors (4858277).

140889163 is an equidigital number, since it uses as much as digits as its factorization.

140889163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4858276.

The product of its (nonzero) digits is 41472, while the sum is 40.

The square root of 140889163 is about 11869.6740898813. The cubic root of 140889163 is about 520.3463705637.

The spelling of 140889163 in words is "one hundred forty million, eight hundred eighty-nine thousand, one hundred sixty-three".