640141603133 has 12 divisors (see below), whose sum is σ = 660412257120. Its totient is φ = 620471914992.

The previous prime is 640141603117. The next prime is 640141603141. The reversal of 640141603133 is 331306141046.

640141603133 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 640141603133 - 2⁴ = 640141603117 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 640141603133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (640141603193) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 528923 + ... + 1249016.

It is an arithmetic number, because the mean of its divisors is an integer number (55034354760).

Almost surely, 2^640141603133 is an apocalyptic number.

It is an amenable number.

640141603133 is a deficient number, since it is larger than the sum of its proper divisors (20270653987).

640141603133 is a wasteful number, since it uses less digits than its factorization.

640141603133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1778276 (or 1778239 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 32.

Adding to 640141603133 its reverse (331306141046), we get a palindrome (971447744179).

The spelling of 640141603133 in words is "six hundred forty billion, one hundred forty-one million, six hundred three thousand, one hundred thirty-three".