135155005 has 8 divisors (see below), whose sum is σ = 163027512. Its totient is φ = 107563008.

The previous prime is 135155003. The next prime is 135155011. The reversal of 135155005 is 500551531.

It can be written as a sum of positive squares in 4 ways, for example, as 850084 + 134304921 = 922^2 + 11589^2 .

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 135155005 - 2¹ = 135155003 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135155003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69064 + ... + 70993.

It is an arithmetic number, because the mean of its divisors is an integer number (20378439).

Almost surely, 2^135155005 is an apocalyptic number.

It is an amenable number.

135155005 is a deficient number, since it is larger than the sum of its proper divisors (27872507).

135155005 is a wasteful number, since it uses less digits than its factorization.

135155005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140255.

The product of its (nonzero) digits is 1875, while the sum is 25.

The square root of 135155005 is about 11625.6184781714. The cubic root of 135155005 is about 513.1890458121.

The spelling of 135155005 in words is "one hundred thirty-five million, one hundred fifty-five thousand, five".