134186653049 has 4 divisors (see below), whose sum is σ = 134268625764. Its totient is φ = 134104680336.

The previous prime is 134186653039. The next prime is 134186653099. The reversal of 134186653049 is 940356681431.

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

It can be written as a sum of positive squares in 2 ways, for example, as 65041321024 + 69145332025 = 255032^2 + 262955^2 .

It is a cyclic number.

It is not a de Polignac number, because 134186653049 - 2⁴ = 134186653033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 134186652988 and 134186653006.

It is not an unprimeable number, because it can be changed into a prime (134186653019) 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, 40983902 + ... + 40987175.

It is an arithmetic number, because the mean of its divisors is an integer number (33567156441).

Almost surely, 2^134186653049 is an apocalyptic number.

It is an amenable number.

134186653049 is a deficient number, since it is larger than the sum of its proper divisors (81972715).

134186653049 is an equidigital number, since it uses as much as digits as its factorization.

134186653049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81972714.

The product of its (nonzero) digits is 1866240, while the sum is 50.

The spelling of 134186653049 in words is "one hundred thirty-four billion, one hundred eighty-six million, six hundred fifty-three thousand, forty-nine".