135470791 has 2 divisors, whose sum is σ = 135470792. Its totient is φ = 135470790.

The previous prime is 135470789. The next prime is 135470849. The reversal of 135470791 is 197074531.

It is a weak prime.

It is an emirp because it is prime and its reverse (197074531) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 135470791 - 2¹ = 135470789 is a prime.

Together with 135470789, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 135470791.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135473791) 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, 67735395 + 67735396.

It is an arithmetic number, because the mean of its divisors is an integer number (67735396).

Almost surely, 2^135470791 is an apocalyptic number.

135470791 is a deficient number, since it is larger than the sum of its proper divisors (1).

135470791 is an equidigital number, since it uses as much as digits as its factorization.

135470791 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26460, while the sum is 37.

The square root of 135470791 is about 11639.1920252224. The cubic root of 135470791 is about 513.5884190230.

The spelling of 135470791 in words is "one hundred thirty-five million, four hundred seventy thousand, seven hundred ninety-one".