135134521131441 has 32 divisors (see below), whose sum is σ = 195540545958912. Its totient is φ = 82516449487680.

The previous prime is 135134521131409. The next prime is 135134521131443. The reversal of 135134521131441 is 144131125431531.

It is not a de Polignac number, because 135134521131441 - 2⁵ = 135134521131409 is a prime.

It is a super-2 number, since 2×135134521131441² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 135134521131441.

It is not an unprimeable number, because it can be changed into a prime (135134521131443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 48734436 + ... + 51432618.

It is an arithmetic number, because the mean of its divisors is an integer number (6110642061216).

Almost surely, 2^{135134521131441} is an apocalyptic number.

It is an amenable number.

135134521131441 is a deficient number, since it is larger than the sum of its proper divisors (60406024827471).

135134521131441 is a wasteful number, since it uses less digits than its factorization.

135134521131441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2708133.

The product of its digits is 86400, while the sum is 39.

Adding to 135134521131441 its reverse (144131125431531), we get a palindrome (279265646562972).

The spelling of 135134521131441 in words is "one hundred thirty-five trillion, one hundred thirty-four billion, five hundred twenty-one million, one hundred thirty-one thousand, four hundred forty-one".