135045203 has 4 divisors (see below), whose sum is σ = 135203640. Its totient is φ = 134886768.

The previous prime is 135045091. The next prime is 135045271. The reversal of 135045203 is 302540531.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 135045203 - 2¹² = 135041107 is a prime.

It is a super-2 number, since 2×135045203² = 36474413706622418, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135645203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77933 + ... + 79646.

It is an arithmetic number, because the mean of its divisors is an integer number (33800910).

Almost surely, 2^135045203 is an apocalyptic number.

135045203 is a deficient number, since it is larger than the sum of its proper divisors (158437).

135045203 is an equidigital number, since it uses as much as digits as its factorization.

135045203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158436.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 135045203 is about 11620.8951032182. The cubic root of 135045203 is about 513.0500339416.

Adding to 135045203 its reverse (302540531), we get a palindrome (437585734).

The spelling of 135045203 in words is "one hundred thirty-five million, forty-five thousand, two hundred three".