135366853 has 4 divisors (see below), whose sum is σ = 135855820. Its totient is φ = 134877888.

The previous prime is 135366841. The next prime is 135366859. The reversal of 135366853 is 358663531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 358663531 = 41 ⋅8747891.

It can be written as a sum of positive squares in 2 ways, for example, as 29235649 + 106131204 = 5407^2 + 10302^2 .

It is a cyclic number.

It is not a de Polignac number, because 135366853 - 2⁵ = 135366821 is a prime.

It is a super-2 number, since 2×135366853² = 36648369782247218, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135366859) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 244068 + ... + 244621.

It is an arithmetic number, because the mean of its divisors is an integer number (33963955).

Almost surely, 2^135366853 is an apocalyptic number.

It is an amenable number.

135366853 is a deficient number, since it is larger than the sum of its proper divisors (488967).

135366853 is an equidigital number, since it uses as much as digits as its factorization.

135366853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488966.

The product of its digits is 194400, while the sum is 40.

The square root of 135366853 is about 11634.7261678133. The cubic root of 135366853 is about 513.4570376614.

The spelling of 135366853 in words is "one hundred thirty-five million, three hundred sixty-six thousand, eight hundred fifty-three".