135208414919 has 2 divisors, whose sum is σ = 135208414920. Its totient is φ = 135208414918.

The previous prime is 135208414853. The next prime is 135208414933. The reversal of 135208414919 is 919414802531.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 135208414919 - 2¹⁶ = 135208349383 is a prime.

It is a super-2 number, since 2×135208414919² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135208414619) 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, 67604207459 + 67604207460.

It is an arithmetic number, because the mean of its divisors is an integer number (67604207460).

Almost surely, 2^135208414919 is an apocalyptic number.

135208414919 is a deficient number, since it is larger than the sum of its proper divisors (1).

135208414919 is an equidigital number, since it uses as much as digits as its factorization.

135208414919 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 311040, while the sum is 47.

The spelling of 135208414919 in words is "one hundred thirty-five billion, two hundred eight million, four hundred fourteen thousand, nine hundred nineteen".