640132601133 has 8 divisors (see below), whose sum is σ = 853513841088. Its totient is φ = 426753214304.

The previous prime is 640132601131. The next prime is 640132601153. The reversal of 640132601133 is 331106231046.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 640132601133 - 2¹ = 640132601131 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 640132601133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (640132601131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1034416 + ... + 1533062.

It is an arithmetic number, because the mean of its divisors is an integer number (106689230136).

Almost surely, 2^640132601133 is an apocalyptic number.

It is an amenable number.

640132601133 is a deficient number, since it is larger than the sum of its proper divisors (213381239955).

640132601133 is a wasteful number, since it uses less digits than its factorization.

640132601133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 926563.

The product of its (nonzero) digits is 7776, while the sum is 30.

Adding to 640132601133 its reverse (331106231046), we get a palindrome (971238832179).

The spelling of 640132601133 in words is "six hundred forty billion, one hundred thirty-two million, six hundred one thousand, one hundred thirty-three".