2136543653 has 8 divisors (see below), whose sum is σ = 2207010816. Its totient is φ = 2066173200.

The previous prime is 2136543649. The next prime is 2136543659. The reversal of 2136543653 is 3563456312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2136543653 - 2² = 2136543649 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2136543659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22175 + ... + 69027.

It is an arithmetic number, because the mean of its divisors is an integer number (275876352).

Almost surely, 2^2136543653 is an apocalyptic number.

It is an amenable number.

2136543653 is a deficient number, since it is larger than the sum of its proper divisors (70467163).

2136543653 is a wasteful number, since it uses less digits than its factorization.

2136543653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48355.

The product of its digits is 194400, while the sum is 38.

The square root of 2136543653 is about 46222.7612005168. The cubic root of 2136543653 is about 1287.9645911607.

Adding to 2136543653 its reverse (3563456312), we get a palindrome (5699999965).

The spelling of 2136543653 in words is "two billion, one hundred thirty-six million, five hundred forty-three thousand, six hundred fifty-three".