135652253 has 6 divisors (see below), whose sum is σ = 149105502. Its totient is φ = 123320120.

The previous prime is 135652219. The next prime is 135652259. The reversal of 135652253 is 352256531.

135652253 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 135187129 + 465124 = 11627^2 + 682^2 .

It is not a de Polignac number, because 135652253 - 2⁶ = 135652189 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 (135652259) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 560426 + ... + 560667.

It is an arithmetic number, because the mean of its divisors is an integer number (24850917).

Almost surely, 2^135652253 is an apocalyptic number.

It is an amenable number.

135652253 is a deficient number, since it is larger than the sum of its proper divisors (13453249).

135652253 is a wasteful number, since it uses less digits than its factorization.

135652253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1121115 (or 1121104 counting only the distinct ones).

The product of its digits is 27000, while the sum is 32.

The square root of 135652253 is about 11646.9847170845. The cubic root of 135652253 is about 513.8176325183.

The spelling of 135652253 in words is "one hundred thirty-five million, six hundred fifty-two thousand, two hundred fifty-three".