140323133 has 4 divisors (see below), whose sum is σ = 140673468. Its totient is φ = 139972800.

The previous prime is 140323123. The next prime is 140323217. The reversal of 140323133 is 331323041.

140323133 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 112423609 + 27899524 = 10603^2 + 5282^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140323133 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 (140323123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 174566 + ... + 175367.

It is an arithmetic number, because the mean of its divisors is an integer number (35168367).

Almost surely, 2^140323133 is an apocalyptic number.

It is an amenable number.

140323133 is a deficient number, since it is larger than the sum of its proper divisors (350335).

140323133 is an equidigital number, since it uses as much as digits as its factorization.

140323133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350334.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 140323133 is about 11845.8065575967. The cubic root of 140323133 is about 519.6485951754.

Adding to 140323133 its reverse (331323041), we get a palindrome (471646174).

The spelling of 140323133 in words is "one hundred forty million, three hundred twenty-three thousand, one hundred thirty-three".