135708077 has 4 divisors (see below), whose sum is σ = 135732156. Its totient is φ = 135684000.

The previous prime is 135708047. The next prime is 135708101. The reversal of 135708077 is 770807531.

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

It can be written as a sum of positive squares in 2 ways, for example, as 12187081 + 123520996 = 3491^2 + 11114^2 .

It is a cyclic number.

It is not a de Polignac number, because 135708077 - 2¹⁰ = 135707053 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 135708077.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135708047) 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, 1463 + ... + 16539.

It is an arithmetic number, because the mean of its divisors is an integer number (33933039).

Almost surely, 2^135708077 is an apocalyptic number.

It is an amenable number.

135708077 is a deficient number, since it is larger than the sum of its proper divisors (24079).

135708077 is an equidigital number, since it uses as much as digits as its factorization.

135708077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24078.

The product of its (nonzero) digits is 41160, while the sum is 38.

The square root of 135708077 is about 11649.3809706782. The cubic root of 135708077 is about 513.8881054154. Note that the first 3 decimals are identical.

The spelling of 135708077 in words is "one hundred thirty-five million, seven hundred eight thousand, seventy-seven".