2136506155 has 16 divisors (see below), whose sum is σ = 2931445440. Its totient is φ = 1464342912.

The previous prime is 2136506153. The next prime is 2136506191. The reversal of 2136506155 is 5516056312.

It is a cyclic number.

It is not a de Polignac number, because 2136506155 - 2¹ = 2136506153 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2136506155.

It is not an unprimeable number, because it can be changed into a prime (2136506153) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67597 + ... + 94033.

It is an arithmetic number, because the mean of its divisors is an integer number (183215340).

Almost surely, 2^2136506155 is an apocalyptic number.

2136506155 is a deficient number, since it is larger than the sum of its proper divisors (794939285).

2136506155 is a wasteful number, since it uses less digits than its factorization.

2136506155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28758.

The product of its (nonzero) digits is 27000, while the sum is 34.

The square root of 2136506155 is about 46222.3555760630. The cubic root of 2136506155 is about 1287.9570561904.

The spelling of 2136506155 in words is "two billion, one hundred thirty-six million, five hundred six thousand, one hundred fifty-five".