135664853 has 4 divisors (see below), whose sum is σ = 136034880. Its totient is φ = 135294828.

The previous prime is 135664849. The next prime is 135664873. The reversal of 135664853 is 358466531.

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, and also an emirpimes, since its reverse is a distinct semiprime: 358466531 = 277 ⋅1294103.

It is a cyclic number.

It is not a de Polignac number, because 135664853 - 2² = 135664849 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 135664853.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135664873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 184463 + ... + 185196.

It is an arithmetic number, because the mean of its divisors is an integer number (34008720).

Almost surely, 2^135664853 is an apocalyptic number.

It is an amenable number.

135664853 is a deficient number, since it is larger than the sum of its proper divisors (370027).

135664853 is an equidigital number, since it uses as much as digits as its factorization.

135664853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370026.

The product of its digits is 259200, while the sum is 41.

The square root of 135664853 is about 11647.5256170570. The cubic root of 135664853 is about 513.8335406009.

The spelling of 135664853 in words is "one hundred thirty-five million, six hundred sixty-four thousand, eight hundred fifty-three".