2136626191 has 8 divisors (see below), whose sum is σ = 2444350464. Its totient is φ = 1829524920.

The previous prime is 2136626189. The next prime is 2136626197. The reversal of 2136626191 is 1916266312.

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 2136626191 - 2¹ = 2136626189 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2136626191.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2136626197) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 148375 + ... + 162136.

It is an arithmetic number, because the mean of its divisors is an integer number (305543808).

Almost surely, 2^2136626191 is an apocalyptic number.

2136626191 is a deficient number, since it is larger than the sum of its proper divisors (307724273).

2136626191 is an equidigital number, since it uses as much as digits as its factorization.

2136626191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311501.

The product of its digits is 23328, while the sum is 37.

The square root of 2136626191 is about 46223.6540204255. The cubic root of 2136626191 is about 1287.9811763047.

The spelling of 2136626191 in words is "two billion, one hundred thirty-six million, six hundred twenty-six thousand, one hundred ninety-one".