2135945667 has 12 divisors (see below), whose sum is σ = 3005709000. Its totient is φ = 1349017632.

The previous prime is 2135945627. The next prime is 2135945689. The reversal of 2135945667 is 7665495312.

It is not a de Polignac number, because 2135945667 - 2¹⁸ = 2135683523 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2135945627) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 985042 + ... + 987207.

It is an arithmetic number, because the mean of its divisors is an integer number (250475750).

Almost surely, 2^2135945667 is an apocalyptic number.

2135945667 is a deficient number, since it is larger than the sum of its proper divisors (869763333).

2135945667 is a wasteful number, since it uses less digits than its factorization.

2135945667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1972290 (or 1972271 counting only the distinct ones).

The product of its digits is 1360800, while the sum is 48.

The square root of 2135945667 is about 46216.2922247123. The cubic root of 2135945667 is about 1287.8444193966.

The spelling of 2135945667 in words is "two billion, one hundred thirty-five million, nine hundred forty-five thousand, six hundred sixty-seven".