140785089 has 12 divisors (see below), whose sum is σ = 188710704. Its totient is φ = 93360304.

The previous prime is 140785067. The next prime is 140785097. The reversal of 140785089 is 980587041.

It is not a de Polignac number, because 140785089 - 2⁹ = 140784577 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 140785089.

It is not an unprimeable number, because it can be changed into a prime (140785009) 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 11 ways as a sum of consecutive naturals, for example, 301234 + ... + 301700.

It is an arithmetic number, because the mean of its divisors is an integer number (15725892).

Almost surely, 2^140785089 is an apocalyptic number.

It is an amenable number.

140785089 is a deficient number, since it is larger than the sum of its proper divisors (47925615).

140785089 is an frugal number, since it uses more digits than its factorization.

140785089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1104 (or 787 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 42.

The square root of 140785089 is about 11865.2892505830. The cubic root of 140785089 is about 520.2182133961.

The spelling of 140785089 in words is "one hundred forty million, seven hundred eighty-five thousand, eighty-nine".