135415203 has 16 divisors (see below), whose sum is σ = 225106176. Its totient is φ = 70345440.

The previous prime is 135415193. The next prime is 135415271. The reversal of 135415203 is 302514531.

It is not a de Polignac number, because 135415203 - 2⁴ = 135415187 is a prime.

It is not an unprimeable number, because it can be changed into a prime (135413203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 292876 + ... + 293337.

It is an arithmetic number, because the mean of its divisors is an integer number (14069136).

Almost surely, 2^135415203 is an apocalyptic number.

135415203 is a deficient number, since it is larger than the sum of its proper divisors (89690973).

135415203 is a wasteful number, since it uses less digits than its factorization.

135415203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 586234.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 135415203 is about 11636.8038137626. The cubic root of 135415203 is about 513.5181621590.

Adding to 135415203 its reverse (302514531), we get a palindrome (437929734).

The spelling of 135415203 in words is "one hundred thirty-five million, four hundred fifteen thousand, two hundred three".