140535493 has 16 divisors (see below), whose sum is σ = 166256640. Its totient is φ = 116247600.

The previous prime is 140535491. The next prime is 140535511. The reversal of 140535493 is 394535041.

It is not a de Polignac number, because 140535493 - 2¹ = 140535491 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140535491) 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 15 ways as a sum of consecutive naturals, for example, 105888 + ... + 107206.

It is an arithmetic number, because the mean of its divisors is an integer number (10391040).

Almost surely, 2^140535493 is an apocalyptic number.

It is an amenable number.

140535493 is a deficient number, since it is larger than the sum of its proper divisors (25721147).

140535493 is a wasteful number, since it uses less digits than its factorization.

140535493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1848.

The product of its (nonzero) digits is 32400, while the sum is 34.

The square root of 140535493 is about 11854.7666784294. The cubic root of 140535493 is about 519.9106022353.

The spelling of 140535493 in words is "one hundred forty million, five hundred thirty-five thousand, four hundred ninety-three".