140532985 has 16 divisors (see below), whose sum is σ = 177422400. Its totient is φ = 106703296.

The previous prime is 140532983. The next prime is 140532991. The reversal of 140532985 is 589235041.

It is not a de Polignac number, because 140532985 - 2¹ = 140532983 is a prime.

It is not an unprimeable number, because it can be changed into a prime (140532983) 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 15 ways as a sum of consecutive naturals, for example, 342 + ... + 16768.

It is an arithmetic number, because the mean of its divisors is an integer number (11088900).

Almost surely, 2^140532985 is an apocalyptic number.

It is an amenable number.

140532985 is a deficient number, since it is larger than the sum of its proper divisors (36889415).

140532985 is a wasteful number, since it uses less digits than its factorization.

140532985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16520.

The product of its (nonzero) digits is 43200, while the sum is 37.

The square root of 140532985 is about 11854.6608977229. The cubic root of 140532985 is about 519.9075094376.

The spelling of 140532985 in words is "one hundred forty million, five hundred thirty-two thousand, nine hundred eighty-five".