100640753 has 4 divisors (see below), whose sum is σ = 100690800. Its totient is φ = 100590708.

The previous prime is 100640747. The next prime is 100640779. The reversal of 100640753 is 357046001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 100640753 - 2⁶ = 100640689 is a prime.

It is a super-3 number, since 3×100640753³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100640783) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21875 + ... + 26072.

It is an arithmetic number, because the mean of its divisors is an integer number (25172700).

Almost surely, 2^100640753 is an apocalyptic number.

It is an amenable number.

100640753 is a deficient number, since it is larger than the sum of its proper divisors (50047).

100640753 is an equidigital number, since it uses as much as digits as its factorization.

100640753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50046.

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 100640753 is about 10031.9864932126. The cubic root of 100640753 is about 465.1481441109.

Adding to 100640753 its reverse (357046001), we get a palindrome (457686754).

The spelling of 100640753 in words is "one hundred million, six hundred forty thousand, seven hundred fifty-three".