135525077 has 2 divisors, whose sum is σ = 135525078. Its totient is φ = 135525076.

The previous prime is 135525073. The next prime is 135525079. The reversal of 135525077 is 770525531.

135525077 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 135163876 + 361201 = 11626^2 + 601^2 .

It is an emirp because it is prime and its reverse (770525531) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 135525077 - 2² = 135525073 is a prime.

Together with 135525079, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135525073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67762538 + 67762539.

It is an arithmetic number, because the mean of its divisors is an integer number (67762539).

Almost surely, 2^135525077 is an apocalyptic number.

It is an amenable number.

135525077 is a deficient number, since it is larger than the sum of its proper divisors (1).

135525077 is an equidigital number, since it uses as much as digits as its factorization.

135525077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36750, while the sum is 35.

The square root of 135525077 is about 11641.5238263726. The cubic root of 135525077 is about 513.6570117615.

The spelling of 135525077 in words is "one hundred thirty-five million, five hundred twenty-five thousand, seventy-seven".