140545593 has 12 divisors (see below), whose sum is σ = 203309028. Its totient is φ = 93559200.

The previous prime is 140545583. The next prime is 140545597. The reversal of 140545593 is 395545041.

140545593 is a `hidden beast` number, since 14 + 0 + 54 + 5 + 593 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 119311929 + 21233664 = 10923^2 + 4608^2 .

It is not a de Polignac number, because 140545593 - 2¹² = 140541497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (140545597) 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, 4830 + ... + 17447.

It is an arithmetic number, because the mean of its divisors is an integer number (16942419).

Almost surely, 2^140545593 is an apocalyptic number.

It is an amenable number.

140545593 is a deficient number, since it is larger than the sum of its proper divisors (62763435).

140545593 is a wasteful number, since it uses less digits than its factorization.

140545593 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22984 (or 22981 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 36.

The square root of 140545593 is about 11855.1926597588. The cubic root of 140545593 is about 519.9230569094.

The spelling of 140545593 in words is "one hundred forty million, five hundred forty-five thousand, five hundred ninety-three".