135780196060538 has 16 divisors (see below), whose sum is σ = 203692047329544. Its totient is φ = 67882847273280.

The previous prime is 135780196060529. The next prime is 135780196060549. The reversal of 135780196060538 is 835060691087531.

It can be written as a sum of positive squares in 4 ways, for example, as 102784052233009 + 32996143827529 = 10138247^2 + 5744227^2 .

It is an unprimeable number.

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, 1566464456 + ... + 1566551132.

Almost surely, 2^{135780196060538} is an apocalyptic number.

135780196060538 is a deficient number, since it is larger than the sum of its proper divisors (67911851269006).

135780196060538 is a wasteful number, since it uses less digits than its factorization.

135780196060538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161297.

The product of its (nonzero) digits is 32659200, while the sum is 62.

The spelling of 135780196060538 in words is "one hundred thirty-five trillion, seven hundred eighty billion, one hundred ninety-six million, sixty thousand, five hundred thirty-eight".