2136627921 has 8 divisors (see below), whose sum is σ = 2888961984. Its totient is φ = 1404356240.

The previous prime is 2136627901. The next prime is 2136627931. The reversal of 2136627921 is 1297266312.

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 2136627921 - 2²⁹ = 1599757009 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2136627921.

It is not an unprimeable number, because it can be changed into a prime (2136627901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5015346 + ... + 5015771.

It is an arithmetic number, because the mean of its divisors is an integer number (361120248).

Almost surely, 2^2136627921 is an apocalyptic number.

It is an amenable number.

2136627921 is a deficient number, since it is larger than the sum of its proper divisors (752334063).

2136627921 is a wasteful number, since it uses less digits than its factorization.

2136627921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10031191.

The product of its digits is 54432, while the sum is 39.

The square root of 2136627921 is about 46223.6727337844. The cubic root of 2136627921 is about 1287.9815239255.

The spelling of 2136627921 in words is "two billion, one hundred thirty-six million, six hundred twenty-seven thousand, nine hundred twenty-one".