205140132130 has 16 divisors (see below), whose sum is σ = 369258285240. Its totient is φ = 82054708992.

The previous prime is 205140132101. The next prime is 205140132199. The reversal of 205140132130 is 31231041502.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 43448484249 + 161691647881 = 208443^2 + 402109^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 674212 + ... + 929968.

Almost surely, 2^205140132130 is an apocalyptic number.

205140132130 is a deficient number, since it is larger than the sum of its proper divisors (164118153110).

205140132130 is a wasteful number, since it uses less digits than its factorization.

205140132130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335973.

The product of its (nonzero) digits is 720, while the sum is 22.

Adding to 205140132130 its reverse (31231041502), we get a palindrome (236371173632).

The spelling of 205140132130 in words is "two hundred five billion, one hundred forty million, one hundred thirty-two thousand, one hundred thirty".