140320133 has 4 divisors (see below), whose sum is σ = 140633100. Its totient is φ = 140007168.

The previous prime is 140320109. The next prime is 140320139. The reversal of 140320133 is 331023041.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 331023041 = 1097 ⋅301753.

It can be written as a sum of positive squares in 2 ways, for example, as 124055044 + 16265089 = 11138^2 + 4033^2 .

It is a cyclic number.

It is not a de Polignac number, because 140320133 - 2¹² = 140316037 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 (140320139) 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 3 ways as a sum of consecutive naturals, for example, 155810 + ... + 156707.

It is an arithmetic number, because the mean of its divisors is an integer number (35158275).

Almost surely, 2^140320133 is an apocalyptic number.

It is an amenable number.

140320133 is a deficient number, since it is larger than the sum of its proper divisors (312967).

140320133 is an equidigital number, since it uses as much as digits as its factorization.

140320133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312966.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 140320133 is about 11845.6799298310. The cubic root of 140320133 is about 519.6448919207.

Adding to 140320133 its reverse (331023041), we get a palindrome (471343174).

The spelling of 140320133 in words is "one hundred forty million, three hundred twenty thousand, one hundred thirty-three".