207639530141 has 8 divisors (see below), whose sum is σ = 213461962584. Its totient is φ = 201828179520.

The previous prime is 207639530123. The next prime is 207639530243. The reversal of 207639530141 is 141035936702.

It can be written as a sum of positive squares in 4 ways, for example, as 20319362116 + 187320168025 = 142546^2 + 432805^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-207639530141 is a prime.

It is a super-2 number, since 2×207639530141² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (207639530101) 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, 2732450 + ... + 2807411.

It is an arithmetic number, because the mean of its divisors is an integer number (26682745323).

Almost surely, 2^207639530141 is an apocalyptic number.

It is an amenable number.

207639530141 is a deficient number, since it is larger than the sum of its proper divisors (5822432443).

207639530141 is a wasteful number, since it uses less digits than its factorization.

207639530141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5540911.

The product of its (nonzero) digits is 136080, while the sum is 41.

The spelling of 207639530141 in words is "two hundred seven billion, six hundred thirty-nine million, five hundred thirty thousand, one hundred forty-one".