135836534 has 4 divisors (see below), whose sum is σ = 203754804. Its totient is φ = 67918266.

The previous prime is 135836531. The next prime is 135836549. The reversal of 135836534 is 435638531.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135836531) 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 as a sum of consecutive naturals, namely, 33959132 + ... + 33959135.

It is an arithmetic number, because the mean of its divisors is an integer number (50938701).

Almost surely, 2^135836534 is an apocalyptic number.

135836534 is a deficient number, since it is larger than the sum of its proper divisors (67918270).

135836534 is an equidigital number, since it uses as much as digits as its factorization.

135836534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67918269.

The product of its digits is 129600, while the sum is 38.

The square root of 135836534 is about 11654.8931355032. The cubic root of 135836534 is about 514.0501977248.

The spelling of 135836534 in words is "one hundred thirty-five million, eight hundred thirty-six thousand, five hundred thirty-four".