135774787 has 4 divisors (see below), whose sum is σ = 136367920. Its totient is φ = 135181656.

The previous prime is 135774713. The next prime is 135774827. The reversal of 135774787 is 787477531.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 135774787 - 2¹¹ = 135772739 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 135774787.

It is not an unprimeable number, because it can be changed into a prime (135774187) 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, 296223 + ... + 296680.

It is an arithmetic number, because the mean of its divisors is an integer number (34091980).

Almost surely, 2^135774787 is an apocalyptic number.

135774787 is a deficient number, since it is larger than the sum of its proper divisors (593133).

135774787 is an equidigital number, since it uses as much as digits as its factorization.

135774787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 593132.

The product of its digits is 1152480, while the sum is 49.

The square root of 135774787 is about 11652.2438611625. The cubic root of 135774787 is about 513.9722955892.

The spelling of 135774787 in words is "one hundred thirty-five million, seven hundred seventy-four thousand, seven hundred eighty-seven".