2135085218 has 16 divisors (see below), whose sum is σ = 3661580544. Its totient is φ = 914677920.

The previous prime is 2135085203. The next prime is 2135085221. The reversal of 2135085218 is 8125805312.

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, 8846 + ... + 65942.

It is an arithmetic number, because the mean of its divisors is an integer number (228848784).

Almost surely, 2^2135085218 is an apocalyptic number.

2135085218 is a deficient number, since it is larger than the sum of its proper divisors (1526495326).

2135085218 is a wasteful number, since it uses less digits than its factorization.

2135085218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59777.

The product of its (nonzero) digits is 19200, while the sum is 35.

The square root of 2135085218 is about 46206.9823511555. The cubic root of 2135085218 is about 1287.6714634872.

The spelling of 2135085218 in words is "two billion, one hundred thirty-five million, eighty-five thousand, two hundred eighteen".