640100153 has 8 divisors (see below), whose sum is σ = 798047040. Its totient is φ = 498779280.

The previous prime is 640100141. The next prime is 640100161. The reversal of 640100153 is 351001046.

640100153 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 not a de Polignac number, because 640100153 - 2⁸ = 640099897 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (640100353) 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, 4156418 + ... + 4156571.

It is an arithmetic number, because the mean of its divisors is an integer number (99755880).

Almost surely, 2^640100153 is an apocalyptic number.

It is an amenable number.

640100153 is a deficient number, since it is larger than the sum of its proper divisors (157946887).

640100153 is a wasteful number, since it uses less digits than its factorization.

640100153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8313007.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 640100153 is about 25300.2006513782. The cubic root of 640100153 is about 861.8188263967.

Adding to 640100153 its reverse (351001046), we get a palindrome (991101199).

The spelling of 640100153 in words is "six hundred forty million, one hundred thousand, one hundred fifty-three".