135563335213642 has 32 divisors (see below), whose sum is σ = 232829595648000. Its totient is φ = 57989765535408.

The previous prime is 135563335213619. The next prime is 135563335213643. The reversal of 135563335213642 is 246312533365531.

It is a self number, because there is not a number n which added to its sum of digits gives 135563335213642.

It is not an unprimeable number, because it can be changed into a prime (135563335213643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81137959 + ... + 82791877.

It is an arithmetic number, because the mean of its divisors is an integer number (7275924864000).

Almost surely, 2^{135563335213642} is an apocalyptic number.

135563335213642 is a deficient number, since it is larger than the sum of its proper divisors (97266260434358).

135563335213642 is a wasteful number, since it uses less digits than its factorization.

135563335213642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1664890.

The product of its digits is 17496000, while the sum is 52.

The spelling of 135563335213642 in words is "one hundred thirty-five trillion, five hundred sixty-three billion, three hundred thirty-five million, two hundred thirteen thousand, six hundred forty-two".