135053632642 has 4 divisors (see below), whose sum is σ = 202580448966. Its totient is φ = 67526816320.

The previous prime is 135053632619. The next prime is 135053632673. The reversal of 135053632642 is 246236350531.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 134579656201 + 473976441 = 366851^2 + 21771^2 .

It is a junction number, because it is equal to n+sod(n) for n = 135053632595 and 135053632604.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 33763408159 + ... + 33763408162.

Almost surely, 2^135053632642 is an apocalyptic number.

135053632642 is a deficient number, since it is larger than the sum of its proper divisors (67526816324).

135053632642 is an equidigital number, since it uses as much as digits as its factorization.

135053632642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67526816323.

The product of its (nonzero) digits is 388800, while the sum is 40.

The spelling of 135053632642 in words is "one hundred thirty-five billion, fifty-three million, six hundred thirty-two thousand, six hundred forty-two".