135043503 has 32 divisors (see below), whose sum is σ = 210448896. Its totient is φ = 75437568.

The previous prime is 135043499. The next prime is 135043541. The reversal of 135043503 is 305340531.

It is a happy number.

It is not a de Polignac number, because 135043503 - 2² = 135043499 is a prime.

It is a super-2 number, since 2×135043503² = 36473495405022018, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135043543) 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, 209700 + ... + 210342.

It is an arithmetic number, because the mean of its divisors is an integer number (6576528).

Almost surely, 2^135043503 is an apocalyptic number.

135043503 is a deficient number, since it is larger than the sum of its proper divisors (75405393).

135043503 is a wasteful number, since it uses less digits than its factorization.

135043503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 863.

The product of its (nonzero) digits is 2700, while the sum is 24.

The square root of 135043503 is about 11620.8219588805. The cubic root of 135043503 is about 513.0478811101.

The spelling of 135043503 in words is "one hundred thirty-five million, forty-three thousand, five hundred three".