134805277637 has 4 divisors (see below), whose sum is σ = 134806882956. Its totient is φ = 134803672320.

The previous prime is 134805277631. The next prime is 134805277669. The reversal of 134805277637 is 736772508431.

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 12771034081 + 122034243556 = 113009^2 + 349334^2 .

It is a cyclic number.

It is not a de Polignac number, because 134805277637 - 2⁶ = 134805277573 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 (134805277631) 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 3 ways as a sum of consecutive naturals, for example, 669314 + ... + 847107.

It is an arithmetic number, because the mean of its divisors is an integer number (33701720739).

Almost surely, 2^134805277637 is an apocalyptic number.

It is an amenable number.

134805277637 is a deficient number, since it is larger than the sum of its proper divisors (1605319).

134805277637 is an equidigital number, since it uses as much as digits as its factorization.

134805277637 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1605318.

The product of its (nonzero) digits is 5927040, while the sum is 53.

The spelling of 134805277637 in words is "one hundred thirty-four billion, eight hundred five million, two hundred seventy-seven thousand, six hundred thirty-seven".