135534503 has 8 divisors (see below), whose sum is σ = 146247696. Its totient is φ = 124862400.

The previous prime is 135534491. The next prime is 135534541. The reversal of 135534503 is 305435531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 135534503 - 2⁸ = 135534247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135534563) 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, 3233 + ... + 16778.

It is an arithmetic number, because the mean of its divisors is an integer number (18280962).

Almost surely, 2^135534503 is an apocalyptic number.

135534503 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

135534503 is a deficient number, since it is larger than the sum of its proper divisors (10713193).

135534503 is a wasteful number, since it uses less digits than its factorization.

135534503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20545.

The product of its (nonzero) digits is 13500, while the sum is 29.

The square root of 135534503 is about 11641.9286632413. The cubic root of 135534503 is about 513.6689200589.

The spelling of 135534503 in words is "one hundred thirty-five million, five hundred thirty-four thousand, five hundred three".