140033144 has 8 divisors (see below), whose sum is σ = 262562160. Its totient is φ = 70016568.

The previous prime is 140033143. The next prime is 140033171. The reversal of 140033144 is 441330041.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140033143) 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 as a sum of consecutive naturals, namely, 8752064 + ... + 8752079.

It is an arithmetic number, because the mean of its divisors is an integer number (32820270).

Almost surely, 2^140033144 is an apocalyptic number.

It is an amenable number.

140033144 is a deficient number, since it is larger than the sum of its proper divisors (122529016).

140033144 is a wasteful number, since it uses less digits than its factorization.

140033144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17504149 (or 17504145 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 140033144 is about 11833.5600729451. The cubic root of 140033144 is about 519.2903831482.

Adding to 140033144 its reverse (441330041), we get a palindrome (581363185).

The spelling of 140033144 in words is "one hundred forty million, thirty-three thousand, one hundred forty-four".