140533241 has 8 divisors (see below), whose sum is σ = 142273824. Its totient is φ = 138801600.

The previous prime is 140533229. The next prime is 140533273. The reversal of 140533241 is 142335041.

140533241 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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-140533241 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (140533201) 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, 32666 + ... + 36716.

It is an arithmetic number, because the mean of its divisors is an integer number (17784228).

Almost surely, 2^140533241 is an apocalyptic number.

It is an amenable number.

140533241 is a deficient number, since it is larger than the sum of its proper divisors (1740583).

140533241 is a wasteful number, since it uses less digits than its factorization.

140533241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4471.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 140533241 is about 11854.6716951588. The cubic root of 140533241 is about 519.9078251315.

Adding to 140533241 its reverse (142335041), we get a palindrome (282868282).

The spelling of 140533241 in words is "one hundred forty million, five hundred thirty-three thousand, two hundred forty-one".