2135361573 has 24 divisors (see below), whose sum is σ = 3154394880. Its totient is φ = 1391476320.

The previous prime is 2135361563. The next prime is 2135361577. The reversal of 2135361573 is 3751635312.

2135361573 is a `hidden beast` number, since 2 + 1 + 35 + 3 + 615 + 7 + 3 = 666.

It is not a de Polignac number, because 2135361573 - 2⁶ = 2135361509 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2135361577) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 121008 + ... + 137526.

It is an arithmetic number, because the mean of its divisors is an integer number (131433120).

Almost surely, 2^2135361573 is an apocalyptic number.

It is an amenable number.

2135361573 is a deficient number, since it is larger than the sum of its proper divisors (1019033307).

2135361573 is a wasteful number, since it uses less digits than its factorization.

2135361573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16849 (or 16846 counting only the distinct ones).

The product of its digits is 56700, while the sum is 36.

The square root of 2135361573 is about 46209.9726574254. The cubic root of 2135361573 is about 1287.7270177249.

Adding to 2135361573 its reverse (3751635312), we get a palindrome (5886996885).

The spelling of 2135361573 in words is "two billion, one hundred thirty-five million, three hundred sixty-one thousand, five hundred seventy-three".