135124542445 has 8 divisors (see below), whose sum is σ = 162151971480. Its totient is φ = 108097953600.

The previous prime is 135124542433. The next prime is 135124542463. The reversal of 135124542445 is 544245421531.

It can be written as a sum of positive squares in 4 ways, for example, as 72613541961 + 62511000484 = 269469^2 + 250022^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 135124542445 - 2²⁵ = 135090988013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 135124542398 and 135124542407.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 226111 + ... + 566899.

It is an arithmetic number, because the mean of its divisors is an integer number (20268996435).

Almost surely, 2^135124542445 is an apocalyptic number.

It is an amenable number.

135124542445 is a deficient number, since it is larger than the sum of its proper divisors (27027429035).

135124542445 is an equidigital number, since it uses as much as digits as its factorization.

135124542445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420095.

The product of its digits is 384000, while the sum is 40.

Adding to 135124542445 its reverse (544245421531), we get a palindrome (679369963976).

The spelling of 135124542445 in words is "one hundred thirty-five billion, one hundred twenty-four million, five hundred forty-two thousand, four hundred forty-five".