135877631705 has 16 divisors (see below), whose sum is σ = 173019070224. Its totient is φ = 102085908480.

The previous prime is 135877631677. The next prime is 135877631717. The reversal of 135877631705 is 507136778531.

It can be written as a sum of positive squares in 8 ways, for example, as 1538522176 + 134339109529 = 39224^2 + 366523^2 .

It is a de Polignac number, because none of the positive numbers 2^k-135877631705 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1694612 + ... + 1772981.

It is an arithmetic number, because the mean of its divisors is an integer number (10813691889).

Almost surely, 2^135877631705 is an apocalyptic number.

It is an amenable number.

135877631705 is a deficient number, since it is larger than the sum of its proper divisors (37141438519).

135877631705 is a wasteful number, since it uses less digits than its factorization.

135877631705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3468076.

The product of its (nonzero) digits is 3704400, while the sum is 53.

The spelling of 135877631705 in words is "one hundred thirty-five billion, eight hundred seventy-seven million, six hundred thirty-one thousand, seven hundred five".