134635019077 has 4 divisors (see below), whose sum is σ = 144991559020. Its totient is φ = 124278479136.

The previous prime is 134635019069. The next prime is 134635019083. The reversal of 134635019077 is 770910536431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 770910536431 = 7 ⋅110130076633.

It can be written as a sum of positive squares in 2 ways, for example, as 36343990881 + 98291028196 = 190641^2 + 313514^2 .

It is a cyclic number.

It is not a de Polignac number, because 134635019077 - 2³ = 134635019069 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 (134635019177) 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, 5178269952 + ... + 5178269977.

It is an arithmetic number, because the mean of its divisors is an integer number (36247889755).

Almost surely, 2^134635019077 is an apocalyptic number.

It is an amenable number.

134635019077 is a deficient number, since it is larger than the sum of its proper divisors (10356539943).

134635019077 is a wasteful number, since it uses less digits than its factorization.

134635019077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10356539942.

The product of its (nonzero) digits is 476280, while the sum is 46.

The spelling of 134635019077 in words is "one hundred thirty-four billion, six hundred thirty-five million, nineteen thousand, seventy-seven".