135320677 has 4 divisors (see below), whose sum is σ = 135390240. Its totient is φ = 135251116.

The previous prime is 135320671. The next prime is 135320681. The reversal of 135320677 is 776023531.

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.

It is a cyclic number.

It is not a de Polignac number, because 135320677 - 2¹¹ = 135318629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135320671) 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, 31777 + ... + 35782.

It is an arithmetic number, because the mean of its divisors is an integer number (33847560).

Almost surely, 2^135320677 is an apocalyptic number.

It is an amenable number.

135320677 is a deficient number, since it is larger than the sum of its proper divisors (69563).

135320677 is an equidigital number, since it uses as much as digits as its factorization.

135320677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69562.

The product of its (nonzero) digits is 26460, while the sum is 34.

The square root of 135320677 is about 11632.7415943104. The cubic root of 135320677 is about 513.3986479644.

The spelling of 135320677 in words is "one hundred thirty-five million, three hundred twenty thousand, six hundred seventy-seven".