2135927009 has 16 divisors (see below), whose sum is σ = 2341687680. Its totient is φ = 1941045120.

The previous prime is 2135926997. The next prime is 2135927041. The reversal of 2135927009 is 9007295312.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2135927009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2135927309) 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, 28517 + ... + 71309.

It is an arithmetic number, because the mean of its divisors is an integer number (146355480).

Almost surely, 2^2135927009 is an apocalyptic number.

It is an amenable number.

2135927009 is a deficient number, since it is larger than the sum of its proper divisors (205760671).

2135927009 is a wasteful number, since it uses less digits than its factorization.

2135927009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42920.

The product of its (nonzero) digits is 34020, while the sum is 38.

The square root of 2135927009 is about 46216.0903690479. The cubic root of 2135927009 is about 1287.8406695086.

The spelling of 2135927009 in words is "two billion, one hundred thirty-five million, nine hundred twenty-seven thousand, nine".