135126330543535 has 4 divisors (see below), whose sum is σ = 162151596652248. Its totient is φ = 108101064434824.

The previous prime is 135126330543517. The next prime is 135126330543563. The reversal of 135126330543535 is 535345033621531.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 135126330543535 - 2²¹ = 135126328446383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13512633054349 + ... + 13512633054358.

It is an arithmetic number, because the mean of its divisors is an integer number (40537899163062).

Almost surely, 2^{135126330543535} is an apocalyptic number.

135126330543535 is a deficient number, since it is larger than the sum of its proper divisors (27025266108713).

135126330543535 is an equidigital number, since it uses as much as digits as its factorization.

135126330543535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27025266108712.

The product of its (nonzero) digits is 7290000, while the sum is 49.

The spelling of 135126330543535 in words is "one hundred thirty-five trillion, one hundred twenty-six billion, three hundred thirty million, five hundred forty-three thousand, five hundred thirty-five".