135085538 has 32 divisors (see below), whose sum is σ = 247311360. Its totient is φ = 54089280.

The previous prime is 135085501. The next prime is 135085541. The reversal of 135085538 is 835580531.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 7220 + ... + 17952.

It is an arithmetic number, because the mean of its divisors is an integer number (7728480).

Almost surely, 2^135085538 is an apocalyptic number.

135085538 is a deficient number, since it is larger than the sum of its proper divisors (112225822).

135085538 is a wasteful number, since it uses less digits than its factorization.

135085538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10802.

The product of its (nonzero) digits is 72000, while the sum is 38.

The square root of 135085538 is about 11622.6304251662. The cubic root of 135085538 is about 513.1011077370.

The spelling of 135085538 in words is "one hundred thirty-five million, eighty-five thousand, five hundred thirty-eight".