135480077 has 2 divisors, whose sum is σ = 135480078. Its totient is φ = 135480076.

The previous prime is 135480073. The next prime is 135480139. The reversal of 135480077 is 770084531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 92525161 + 42954916 = 9619^2 + 6554^2 .

It is a cyclic number.

It is not a de Polignac number, because 135480077 - 2² = 135480073 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135480073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67740038 + 67740039.

It is an arithmetic number, because the mean of its divisors is an integer number (67740039).

Almost surely, 2^135480077 is an apocalyptic number.

It is an amenable number.

135480077 is a deficient number, since it is larger than the sum of its proper divisors (1).

135480077 is an equidigital number, since it uses as much as digits as its factorization.

135480077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23520, while the sum is 35.

The square root of 135480077 is about 11639.5909292380. The cubic root of 135480077 is about 513.6001535897.

The spelling of 135480077 in words is "one hundred thirty-five million, four hundred eighty thousand, seventy-seven".