135786253 has 2 divisors, whose sum is σ = 135786254. Its totient is φ = 135786252.

The previous prime is 135786229. The next prime is 135786269. The reversal of 135786253 is 352687531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 108097609 + 27688644 = 10397^2 + 5262^2 .

It is a cyclic number.

It is not a de Polignac number, because 135786253 - 2⁵ = 135786221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135786283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67893126 + 67893127.

It is an arithmetic number, because the mean of its divisors is an integer number (67893127).

Almost surely, 2^135786253 is an apocalyptic number.

It is an amenable number.

135786253 is a deficient number, since it is larger than the sum of its proper divisors (1).

135786253 is an equidigital number, since it uses as much as digits as its factorization.

135786253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 151200, while the sum is 40.

The square root of 135786253 is about 11652.7358590161. The cubic root of 135786253 is about 513.9867632740.

The spelling of 135786253 in words is "one hundred thirty-five million, seven hundred eighty-six thousand, two hundred fifty-three".