135470253 has 16 divisors (see below), whose sum is σ = 192867840. Its totient is φ = 84375984.

The previous prime is 135470249. The next prime is 135470317. The reversal of 135470253 is 352074531.

It is not a de Polignac number, because 135470253 - 2² = 135470249 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 135470253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135470213) 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, 19863 + ... + 25796.

It is an arithmetic number, because the mean of its divisors is an integer number (12054240).

Almost surely, 2^135470253 is an apocalyptic number.

It is an amenable number.

135470253 is a deficient number, since it is larger than the sum of its proper divisors (57397587).

135470253 is a wasteful number, since it uses less digits than its factorization.

135470253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45728.

The product of its (nonzero) digits is 12600, while the sum is 30.

The square root of 135470253 is about 11639.1689136295. The cubic root of 135470253 is about 513.5877391448.

The spelling of 135470253 in words is "one hundred thirty-five million, four hundred seventy thousand, two hundred fifty-three".