135266847 has 4 divisors (see below), whose sum is σ = 180355800. Its totient is φ = 90177896.

The previous prime is 135266837. The next prime is 135266849. The reversal of 135266847 is 748662531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 748662531 = 3 ⋅249554177.

It is a cyclic number.

It is not a de Polignac number, because 135266847 - 2¹⁵ = 135234079 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 135266799 and 135266808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135266849) 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, 22544472 + ... + 22544477.

It is an arithmetic number, because the mean of its divisors is an integer number (45088950).

Almost surely, 2^135266847 is an apocalyptic number.

135266847 is a deficient number, since it is larger than the sum of its proper divisors (45088953).

135266847 is an equidigital number, since it uses as much as digits as its factorization.

135266847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45088952.

The product of its digits is 241920, while the sum is 42.

The square root of 135266847 is about 11630.4276361620. The cubic root of 135266847 is about 513.3305629899.

The spelling of 135266847 in words is "one hundred thirty-five million, two hundred sixty-six thousand, eight hundred forty-seven".