135612853 has 12 divisors (see below), whose sum is σ = 142441740. Its totient is φ = 129098816.

The previous prime is 135612847. The next prime is 135612863. The reversal of 135612853 is 358216531.

It can be written as a sum of positive squares in 2 ways, for example, as 28965924 + 106646929 = 5382^2 + 10327^2 .

It is not a de Polignac number, because 135612853 - 2⁹ = 135612341 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 (135612803) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 141825 + ... + 142777.

It is an arithmetic number, because the mean of its divisors is an integer number (11870145).

Almost surely, 2^135612853 is an apocalyptic number.

It is an amenable number.

135612853 is a deficient number, since it is larger than the sum of its proper divisors (6828887).

135612853 is an equidigital number, since it uses as much as digits as its factorization.

135612853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1268 (or 1245 counting only the distinct ones).

The product of its digits is 21600, while the sum is 34.

The square root of 135612853 is about 11645.2931693453. The cubic root of 135612853 is about 513.7678818394.

The spelling of 135612853 in words is "one hundred thirty-five million, six hundred twelve thousand, eight hundred fifty-three".