135245350505 has 4 divisors (see below), whose sum is σ = 162294420612. Its totient is φ = 108196280400.

The previous prime is 135245350453. The next prime is 135245350531. The reversal of 135245350505 is 505053542531.

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

It can be written as a sum of positive squares in 2 ways, for example, as 102786283609 + 32459066896 = 320603^2 + 180164^2 .

It is not a de Polignac number, because 135245350505 - 2³² = 130950383209 is a prime.

It is a Duffinian number.

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 in 3 ways as a sum of consecutive naturals, for example, 13524535046 + ... + 13524535055.

It is an arithmetic number, because the mean of its divisors is an integer number (40573605153).

Almost surely, 2^135245350505 is an apocalyptic number.

It is an amenable number.

135245350505 is a deficient number, since it is larger than the sum of its proper divisors (27049070107).

135245350505 is an equidigital number, since it uses as much as digits as its factorization.

135245350505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27049070106.

The product of its (nonzero) digits is 225000, while the sum is 38.

The spelling of 135245350505 in words is "one hundred thirty-five billion, two hundred forty-five million, three hundred fifty thousand, five hundred five".