140532353 has 8 divisors (see below), whose sum is σ = 160245288. Its totient is φ = 122091264.

The previous prime is 140532317. The next prime is 140532361. The reversal of 140532353 is 353235041.

It can be written as a sum of positive squares in 4 ways, for example, as 1481089 + 139051264 = 1217^2 + 11792^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140532353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140532313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 317726 + ... + 318167.

It is an arithmetic number, because the mean of its divisors is an integer number (20030661).

Almost surely, 2^140532353 is an apocalyptic number.

140532353 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

140532353 is a deficient number, since it is larger than the sum of its proper divisors (19712935).

140532353 is a wasteful number, since it uses less digits than its factorization.

140532353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 635923.

The product of its (nonzero) digits is 5400, while the sum is 26.

The square root of 140532353 is about 11854.6342415108. The cubic root of 140532353 is about 519.9067300665.

Adding to 140532353 its reverse (353235041), we get a palindrome (493767394).

The spelling of 140532353 in words is "one hundred forty million, five hundred thirty-two thousand, three hundred fifty-three".