135273775 has 48 divisors (see below), whose sum is σ = 208917184. Its totient is φ = 84602880.

The previous prime is 135273773. The next prime is 135273779. The reversal of 135273775 is 577372531.

It is not a de Polignac number, because 135273775 - 2¹ = 135273773 is a prime.

Its product of digits (154350) is a multiple of the sum of its prime divisors (735).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135273773) 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 47 ways as a sum of consecutive naturals, for example, 220369 + ... + 220981.

Almost surely, 2^135273775 is an apocalyptic number.

135273775 is a deficient number, since it is larger than the sum of its proper divisors (73643409).

135273775 is a wasteful number, since it uses less digits than its factorization.

135273775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 740 (or 735 counting only the distinct ones).

The product of its digits is 154350, while the sum is 40.

The square root of 135273775 is about 11630.7254717838. The cubic root of 135273775 is about 513.3393266387.

The spelling of 135273775 in words is "one hundred thirty-five million, two hundred seventy-three thousand, seven hundred seventy-five".