135040353 has 48 divisors (see below), whose sum is σ = 222382080. Its totient is φ = 71360352.

The previous prime is 135040289. The next prime is 135040361. The reversal of 135040353 is 353040531.

It is a happy number.

It is not a de Polignac number, because 135040353 - 2⁶ = 135040289 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135040453) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 356118 + ... + 356496.

It is an arithmetic number, because the mean of its divisors is an integer number (4632960).

Almost surely, 2^135040353 is an apocalyptic number.

It is an amenable number.

135040353 is a deficient number, since it is larger than the sum of its proper divisors (87341727).

135040353 is a wasteful number, since it uses less digits than its factorization.

135040353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474 (or 455 counting only the distinct ones).

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

The square root of 135040353 is about 11620.6864255086. The cubic root of 135040353 is about 513.0438919921.

Adding to 135040353 its reverse (353040531), we get a palindrome (488080884).

The spelling of 135040353 in words is "one hundred thirty-five million, forty thousand, three hundred fifty-three".