140344133 has 2 divisors, whose sum is σ = 140344134. Its totient is φ = 140344132.

The previous prime is 140344121. The next prime is 140344157. The reversal of 140344133 is 331443041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 139192804 + 1151329 = 11798^2 + 1073^2 .

It is a cyclic number.

It is not a de Polignac number, because 140344133 - 2⁸ = 140343877 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 140344099 and 140344108.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140344433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70172066 + 70172067.

It is an arithmetic number, because the mean of its divisors is an integer number (70172067).

Almost surely, 2^140344133 is an apocalyptic number.

It is an amenable number.

140344133 is a deficient number, since it is larger than the sum of its proper divisors (1).

140344133 is an equidigital number, since it uses as much as digits as its factorization.

140344133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 140344133 is about 11846.6929140583. The cubic root of 140344133 is about 519.6745164803.

Adding to 140344133 its reverse (331443041), we get a palindrome (471787174).

The spelling of 140344133 in words is "one hundred forty million, three hundred forty-four thousand, one hundred thirty-three".