135427561105 has 8 divisors (see below), whose sum is σ = 162518188392. Its totient is φ = 108338638848.

The previous prime is 135427561099. The next prime is 135427561111. The reversal of 135427561105 is 501165724531.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (135427561099) and next prime (135427561111).

It can be written as a sum of positive squares in 4 ways, for example, as 64168995856 + 71258565249 = 253316^2 + 266943^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 135427561105 - 2³ = 135427561097 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 244464 + ... + 574993.

It is an arithmetic number, because the mean of its divisors is an integer number (20314773549).

Almost surely, 2^135427561105 is an apocalyptic number.

It is an amenable number.

135427561105 is a deficient number, since it is larger than the sum of its proper divisors (27090627287).

135427561105 is an equidigital number, since it uses as much as digits as its factorization.

135427561105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 852515.

The product of its (nonzero) digits is 126000, while the sum is 40.

The spelling of 135427561105 in words is "one hundred thirty-five billion, four hundred twenty-seven million, five hundred sixty-one thousand, one hundred five".