135455777 has 4 divisors (see below), whose sum is σ = 135525936. Its totient is φ = 135385620.

The previous prime is 135455767. The next prime is 135455791. The reversal of 135455777 is 777554531.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 777554531 = 13 ⋅59811887.

It is a cyclic number.

It is not a de Polignac number, because 135455777 - 2⁸ = 135455521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135455707) 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, 32099 + ... + 36072.

It is an arithmetic number, because the mean of its divisors is an integer number (33881484).

Almost surely, 2^135455777 is an apocalyptic number.

It is an amenable number.

135455777 is a deficient number, since it is larger than the sum of its proper divisors (70159).

135455777 is an equidigital number, since it uses as much as digits as its factorization.

135455777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70158.

The product of its digits is 514500, while the sum is 44.

The square root of 135455777 is about 11638.5470313094. The cubic root of 135455777 is about 513.5694449417.

The spelling of 135455777 in words is "one hundred thirty-five million, four hundred fifty-five thousand, seven hundred seventy-seven".