135256105 has 8 divisors (see below), whose sum is σ = 162369792. Its totient is φ = 108163248.

The previous prime is 135256081. The next prime is 135256109. The reversal of 135256105 is 501652531.

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 135256105 - 2⁷ = 135255977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135256109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22312 + ... + 27718.

It is an arithmetic number, because the mean of its divisors is an integer number (20296224).

Almost surely, 2^135256105 is an apocalyptic number.

It is an amenable number.

135256105 is a deficient number, since it is larger than the sum of its proper divisors (27113687).

135256105 is an equidigital number, since it uses as much as digits as its factorization.

135256105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10415.

The product of its (nonzero) digits is 4500, while the sum is 28.

The square root of 135256105 is about 11629.9658211020. The cubic root of 135256105 is about 513.3169741887.

The spelling of 135256105 in words is "one hundred thirty-five million, two hundred fifty-six thousand, one hundred five".