135943503 has 16 divisors (see below), whose sum is σ = 188183520. Its totient is φ = 87188864.

The previous prime is 135943453. The next prime is 135943517. The reversal of 135943503 is 305349531.

It is a cyclic number.

It is not a de Polignac number, because 135943503 - 2⁹ = 135942991 is a prime.

It is a super-2 number, since 2×135943503² = 36961272015822018, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135943523) 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 15 ways as a sum of consecutive naturals, for example, 22825 + ... + 28157.

It is an arithmetic number, because the mean of its divisors is an integer number (11761470).

Almost surely, 2^135943503 is an apocalyptic number.

135943503 is a deficient number, since it is larger than the sum of its proper divisors (52240017).

135943503 is a wasteful number, since it uses less digits than its factorization.

135943503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5658.

The product of its (nonzero) digits is 24300, while the sum is 33.

The square root of 135943503 is about 11659.4812491809. The cubic root of 135943503 is about 514.1850976333.

The spelling of 135943503 in words is "one hundred thirty-five million, nine hundred forty-three thousand, five hundred three".