135307019 has 2 divisors, whose sum is σ = 135307020. Its totient is φ = 135307018.

The previous prime is 135307009. The next prime is 135307057. The reversal of 135307019 is 910703531.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-135307019 is a prime.

It is a super-2 number, since 2×135307019² = 36615978781332722, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 135306982 and 135307000.

It is not a weakly prime, because it can be changed into another prime (135307009) 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, 67653509 + 67653510.

It is an arithmetic number, because the mean of its divisors is an integer number (67653510).

Almost surely, 2^135307019 is an apocalyptic number.

135307019 is a deficient number, since it is larger than the sum of its proper divisors (1).

135307019 is an equidigital number, since it uses as much as digits as its factorization.

135307019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2835, while the sum is 29.

The square root of 135307019 is about 11632.1545295788. The cubic root of 135307019 is about 513.3813748351.

The spelling of 135307019 in words is "one hundred thirty-five million, three hundred seven thousand, nineteen".