140511233 has 2 divisors, whose sum is σ = 140511234. Its totient is φ = 140511232.

The previous prime is 140511227. The next prime is 140511253. The reversal of 140511233 is 332115041.

It is an a-pointer prime, because the next prime (140511253) can be obtained adding 140511233 to its sum of digits (20).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 130347889 + 10163344 = 11417^2 + 3188^2 .

It is a cyclic number.

It is not a de Polignac number, because 140511233 - 2¹² = 140507137 is a prime.

It is not a weakly prime, because it can be changed into another prime (140511253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70255616 + 70255617.

It is an arithmetic number, because the mean of its divisors is an integer number (70255617).

Almost surely, 2^140511233 is an apocalyptic number.

It is an amenable number.

140511233 is a deficient number, since it is larger than the sum of its proper divisors (1).

140511233 is an equidigital number, since it uses as much as digits as its factorization.

140511233 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 140511233 is about 11853.7434171657. The cubic root of 140511233 is about 519.8806839165.

Adding to 140511233 its reverse (332115041), we get a palindrome (472626274).

The spelling of 140511233 in words is "one hundred forty million, five hundred eleven thousand, two hundred thirty-three".