135655787 has 2 divisors, whose sum is σ = 135655788. Its totient is φ = 135655786.

The previous prime is 135655769. The next prime is 135655789. The reversal of 135655787 is 787556531.

135655787 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 is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-135655787 is a prime.

Together with 135655789, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (135655789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67827893 + 67827894.

It is an arithmetic number, because the mean of its divisors is an integer number (67827894).

Almost surely, 2^135655787 is an apocalyptic number.

135655787 is a deficient number, since it is larger than the sum of its proper divisors (1).

135655787 is an equidigital number, since it uses as much as digits as its factorization.

135655787 is an evil number, because the sum of its binary digits is even.

The product of its digits is 882000, while the sum is 47.

The square root of 135655787 is about 11647.1364291829. The cubic root of 135655787 is about 513.8220944561.

The spelling of 135655787 in words is "one hundred thirty-five million, six hundred fifty-five thousand, seven hundred eighty-seven".