207113641 has 6 divisors (see below), whose sum is σ = 240928170. Its totient is φ = 177525936.

The previous prime is 207113639. The next prime is 207113657. The reversal of 207113641 is 146311702.

It can be written as a sum of positive squares in only one way, i.e., 121088016 + 86025625 = 11004^2 + 9275^2 .

It is not a de Polignac number, because 207113641 - 2¹ = 207113639 is a prime.

It is not an unprimeable number, because it can be changed into a prime (207113611) 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 in 5 ways as a sum of consecutive naturals, for example, 2113356 + ... + 2113453.

It is an arithmetic number, because the mean of its divisors is an integer number (40154695).

Almost surely, 2^207113641 is an apocalyptic number.

It is an amenable number.

207113641 is a deficient number, since it is larger than the sum of its proper divisors (33814529).

207113641 is an equidigital number, since it uses as much as digits as its factorization.

207113641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4226823 (or 4226816 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 207113641 is about 14391.4433258100. The cubic root of 207113641 is about 591.6564015764.

The spelling of 207113641 in words is "two hundred seven million, one hundred thirteen thousand, six hundred forty-one".