2135797245 has 24 divisors (see below), whose sum is σ = 3703363872. Its totient is φ = 1138687200.

The previous prime is 2135797243. The next prime is 2135797259. The reversal of 2135797245 is 5427975312.

It is a happy number.

2135797245 is a `hidden beast` number, since 2 + 1 + 3 + 579 + 72 + 4 + 5 = 666.

It is not a de Polignac number, because 2135797245 - 2¹ = 2135797243 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2135797245.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2135797243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 154050 + ... + 167340.

It is an arithmetic number, because the mean of its divisors is an integer number (154306828).

Almost surely, 2^2135797245 is an apocalyptic number.

It is an amenable number.

2135797245 is a deficient number, since it is larger than the sum of its proper divisors (1567566627).

2135797245 is a wasteful number, since it uses less digits than its factorization.

2135797245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16873 (or 16870 counting only the distinct ones).

The product of its digits is 529200, while the sum is 45.

The square root of 2135797245 is about 46214.6864643697. The cubic root of 2135797245 is about 1287.8145889137.

The spelling of 2135797245 in words is "two billion, one hundred thirty-five million, seven hundred ninety-seven thousand, two hundred forty-five".