135351354561 has 4 divisors (see below), whose sum is σ = 180468472752. Its totient is φ = 90234236372.

The previous prime is 135351354553. The next prime is 135351354571. The reversal of 135351354561 is 165453153531.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 135351354561 - 2³ = 135351354553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (135351354571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22558559091 + ... + 22558559096.

It is an arithmetic number, because the mean of its divisors is an integer number (45117118188).

Almost surely, 2^135351354561 is an apocalyptic number.

It is an amenable number.

135351354561 is a deficient number, since it is larger than the sum of its proper divisors (45117118191).

135351354561 is an equidigital number, since it uses as much as digits as its factorization.

135351354561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45117118190.

The product of its digits is 405000, while the sum is 42.

The spelling of 135351354561 in words is "one hundred thirty-five billion, three hundred fifty-one million, three hundred fifty-four thousand, five hundred sixty-one".