135577327 has 4 divisors (see below), whose sum is σ = 135604800. Its totient is φ = 135549856.

The previous prime is 135577301. The next prime is 135577333. The reversal of 135577327 is 723775531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 723775531 = 19 ⋅38093449.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-135577327 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 135577327.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135577357) 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, 4063 + ... + 16960.

It is an arithmetic number, because the mean of its divisors is an integer number (33901200).

Almost surely, 2^135577327 is an apocalyptic number.

135577327 is a deficient number, since it is larger than the sum of its proper divisors (27473).

135577327 is an equidigital number, since it uses as much as digits as its factorization.

135577327 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27472.

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

The square root of 135577327 is about 11643.7677321389. The cubic root of 135577327 is about 513.7230146276.

The spelling of 135577327 in words is "one hundred thirty-five million, five hundred seventy-seven thousand, three hundred twenty-seven".