135508487 has 2 divisors, whose sum is σ = 135508488. Its totient is φ = 135508486.

The previous prime is 135508447. The next prime is 135508489. The reversal of 135508487 is 784805531.

It is a strong prime.

It is an emirp because it is prime and its reverse (784805531) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 135508487 - 2⁶ = 135508423 is a prime.

Together with 135508489, 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 (135508489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67754243 + 67754244.

It is an arithmetic number, because the mean of its divisors is an integer number (67754244).

Almost surely, 2^135508487 is an apocalyptic number.

135508487 is a deficient number, since it is larger than the sum of its proper divisors (1).

135508487 is an equidigital number, since it uses as much as digits as its factorization.

135508487 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 134400, while the sum is 41.

The square root of 135508487 is about 11640.8112689795. The cubic root of 135508487 is about 513.6360515138.

The spelling of 135508487 in words is "one hundred thirty-five million, five hundred eight thousand, four hundred eighty-seven".