136281135 has 8 divisors (see below), whose sum is σ = 218049840. Its totient is φ = 72683264.

The previous prime is 136281071. The next prime is 136281143. The reversal of 136281135 is 531182631.

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 136281135 - 2⁶ = 136281071 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4542690 + ... + 4542719.

It is an arithmetic number, because the mean of its divisors is an integer number (27256230).

Almost surely, 2^136281135 is an apocalyptic number.

136281135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

136281135 is a deficient number, since it is larger than the sum of its proper divisors (81768705).

136281135 is an equidigital number, since it uses as much as digits as its factorization.

136281135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9085417.

The product of its digits is 4320, while the sum is 30.

The square root of 136281135 is about 11673.9511306155. The cubic root of 136281135 is about 514.6104258366.

The spelling of 136281135 in words is "one hundred thirty-six million, two hundred eighty-one thousand, one hundred thirty-five".