135811137277 has 8 divisors (see below), whose sum is σ = 136118062080. Its totient is φ = 135504519360.

The previous prime is 135811137271. The next prime is 135811137331. The reversal of 135811137277 is 772731118531.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 135811137277 - 2¹⁹ = 135810612989 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 (135811137271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 821188 + ... + 972610.

It is an arithmetic number, because the mean of its divisors is an integer number (17014757760).

Almost surely, 2^135811137277 is an apocalyptic number.

It is an amenable number.

135811137277 is a deficient number, since it is larger than the sum of its proper divisors (306924803).

135811137277 is a wasteful number, since it uses less digits than its factorization.

135811137277 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153443.

The product of its digits is 246960, while the sum is 46.

The spelling of 135811137277 in words is "one hundred thirty-five billion, eight hundred eleven million, one hundred thirty-seven thousand, two hundred seventy-seven".