135487065 has 32 divisors (see below), whose sum is σ = 251458560. Its totient is φ = 61009344.

The previous prime is 135487063. The next prime is 135487087. The reversal of 135487065 is 560784531.

It is not a de Polignac number, because 135487065 - 2¹ = 135487063 is a prime.

It is not an unprimeable number, because it can be changed into a prime (135487061) 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 31 ways as a sum of consecutive naturals, for example, 2595 + ... + 16664.

It is an arithmetic number, because the mean of its divisors is an integer number (7858080).

Almost surely, 2^135487065 is an apocalyptic number.

135487065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

135487065 is a deficient number, since it is larger than the sum of its proper divisors (115971495).

135487065 is a wasteful number, since it uses less digits than its factorization.

135487065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19341.

The product of its (nonzero) digits is 100800, while the sum is 39.

The square root of 135487065 is about 11639.8911077381. The cubic root of 135487065 is about 513.6089838577.

The spelling of 135487065 in words is "one hundred thirty-five million, four hundred eighty-seven thousand, sixty-five".