2134355191 has 4 divisors (see below), whose sum is σ = 2158336800. Its totient is φ = 2110373584.

The previous prime is 2134355189. The next prime is 2134355213. The reversal of 2134355191 is 1915534312.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2134355191 - 2¹ = 2134355189 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 (2134355131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11990671 + ... + 11990848.

It is an arithmetic number, because the mean of its divisors is an integer number (539584200).

Almost surely, 2^2134355191 is an apocalyptic number.

2134355191 is a deficient number, since it is larger than the sum of its proper divisors (23981609).

2134355191 is an equidigital number, since it uses as much as digits as its factorization.

2134355191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23981608.

The product of its digits is 16200, while the sum is 34.

The square root of 2134355191 is about 46199.0821445621. The cubic root of 2134355191 is about 1287.5246868173.

The spelling of 2134355191 in words is "two billion, one hundred thirty-four million, three hundred fifty-five thousand, one hundred ninety-one".