2135140305 has 16 divisors (see below), whose sum is σ = 3419674944. Its totient is φ = 1137591360.

The previous prime is 2135140289. The next prime is 2135140309. The reversal of 2135140305 is 5030415312.

It is not a de Polignac number, because 2135140305 - 2⁴ = 2135140289 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2135140309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56431 + ... + 86340.

It is an arithmetic number, because the mean of its divisors is an integer number (213729684).

Almost surely, 2^2135140305 is an apocalyptic number.

It is an amenable number.

2135140305 is a deficient number, since it is larger than the sum of its proper divisors (1284534639).

2135140305 is a wasteful number, since it uses less digits than its factorization.

2135140305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143776.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 2135140305 is about 46207.5784368755. The cubic root of 2135140305 is about 1287.6825377287.

Adding to 2135140305 its reverse (5030415312), we get a palindrome (7165555617).

The spelling of 2135140305 in words is "two billion, one hundred thirty-five million, one hundred forty thousand, three hundred five".