135580203 has 16 divisors (see below), whose sum is σ = 219120000. Its totient is φ = 82169640.

The previous prime is 135580177. The next prime is 135580213. The reversal of 135580203 is 302085531.

It is not a de Polignac number, because 135580203 - 2¹⁰ = 135579179 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (135580213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 227953 + ... + 228546.

It is an arithmetic number, because the mean of its divisors is an integer number (13695000).

Almost surely, 2^135580203 is an apocalyptic number.

135580203 is a deficient number, since it is larger than the sum of its proper divisors (83539797).

135580203 is a wasteful number, since it uses less digits than its factorization.

135580203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 456519 (or 456513 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 135580203 is about 11643.8912310275. The cubic root of 135580203 is about 513.7266471350.

The spelling of 135580203 in words is "one hundred thirty-five million, five hundred eighty thousand, two hundred three".