135044254019 has 2 divisors, whose sum is σ = 135044254020. Its totient is φ = 135044254018.

The previous prime is 135044253991. The next prime is 135044254069. The reversal of 135044254019 is 910452440531.

It is a weak prime.

It is an emirp because it is prime and its reverse (910452440531) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-135044254019 is a prime.

It is a super-2 number, since 2×135044254019² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (135044254069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67522127009 + 67522127010.

It is an arithmetic number, because the mean of its divisors is an integer number (67522127010).

Almost surely, 2^135044254019 is an apocalyptic number.

135044254019 is a deficient number, since it is larger than the sum of its proper divisors (1).

135044254019 is an equidigital number, since it uses as much as digits as its factorization.

135044254019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 86400, while the sum is 38.

The spelling of 135044254019 in words is "one hundred thirty-five billion, forty-four million, two hundred fifty-four thousand, nineteen".