135030253 has 4 divisors (see below), whose sum is σ = 135066880. Its totient is φ = 134993628.

The previous prime is 135030229. The next prime is 135030281. The reversal of 135030253 is 352030531.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 135030253 - 2⁵ = 135030221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135030653) 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 3 ways as a sum of consecutive naturals, for example, 12075 + ... + 20392.

It is an arithmetic number, because the mean of its divisors is an integer number (33766720).

Almost surely, 2^135030253 is an apocalyptic number.

It is an amenable number.

135030253 is a deficient number, since it is larger than the sum of its proper divisors (36627).

135030253 is an equidigital number, since it uses as much as digits as its factorization.

135030253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36626.

The product of its (nonzero) digits is 1350, while the sum is 22.

The square root of 135030253 is about 11620.2518475290. The cubic root of 135030253 is about 513.0311010686.

Adding to 135030253 its reverse (352030531), we get a palindrome (487060784).

The spelling of 135030253 in words is "one hundred thirty-five million, thirty thousand, two hundred fifty-three".