135178963 has 2 divisors, whose sum is σ = 135178964. Its totient is φ = 135178962.

The previous prime is 135178957. The next prime is 135178969. The reversal of 135178963 is 369871531.

It is a balanced prime because it is at equal distance from previous prime (135178957) and next prime (135178969).

It is a cyclic number.

It is not a de Polignac number, because 135178963 - 2²¹ = 133081811 is a prime.

It is not a weakly prime, because it can be changed into another prime (135178969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67589481 + 67589482.

It is an arithmetic number, because the mean of its divisors is an integer number (67589482).

Almost surely, 2^135178963 is an apocalyptic number.

135178963 is a deficient number, since it is larger than the sum of its proper divisors (1).

135178963 is an equidigital number, since it uses as much as digits as its factorization.

135178963 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 136080, while the sum is 43.

The square root of 135178963 is about 11626.6488293059. The cubic root of 135178963 is about 513.2193671870.

The spelling of 135178963 in words is "one hundred thirty-five million, one hundred seventy-eight thousand, nine hundred sixty-three".