134109188849 has 4 divisors (see below), whose sum is σ = 134116861440. Its totient is φ = 134101516260.

The previous prime is 134109188813. The next prime is 134109188867. The reversal of 134109188849 is 948881901431.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 948881901431 = 401 ⋅2366289031.

It is a cyclic number.

It is not a de Polignac number, because 134109188849 - 2²⁰ = 134108140273 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 134109188794 and 134109188803.

It is not an unprimeable number, because it can be changed into a prime (134109188249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3810017 + ... + 3845054.

It is an arithmetic number, because the mean of its divisors is an integer number (33529215360).

Almost surely, 2^134109188849 is an apocalyptic number.

It is an amenable number.

134109188849 is a deficient number, since it is larger than the sum of its proper divisors (7672591).

134109188849 is an equidigital number, since it uses as much as digits as its factorization.

134109188849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7672590.

The product of its (nonzero) digits is 1990656, while the sum is 56.

The spelling of 134109188849 in words is "one hundred thirty-four billion, one hundred nine million, one hundred eighty-eight thousand, eight hundred forty-nine".