135456578347 has 2 divisors, whose sum is σ = 135456578348. Its totient is φ = 135456578346.

The previous prime is 135456578317. The next prime is 135456578399. The reversal of 135456578347 is 743875654531.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 135456578347 - 2²³ = 135448189739 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 135456578291 and 135456578300.

It is not a weakly prime, because it can be changed into another prime (135456578317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67728289173 + 67728289174.

It is an arithmetic number, because the mean of its divisors is an integer number (67728289174).

Almost surely, 2^135456578347 is an apocalyptic number.

135456578347 is a deficient number, since it is larger than the sum of its proper divisors (1).

135456578347 is an equidigital number, since it uses as much as digits as its factorization.

135456578347 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 42336000, while the sum is 58.

The spelling of 135456578347 in words is "one hundred thirty-five billion, four hundred fifty-six million, five hundred seventy-eight thousand, three hundred forty-seven".