134555554919 has 2 divisors, whose sum is σ = 134555554920. Its totient is φ = 134555554918.

The previous prime is 134555554883. The next prime is 134555554921. The reversal of 134555554919 is 919455555431.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 134555554919 - 2²⁰ = 134554506343 is a prime.

It is a super-2 number, since 2×134555554919² (a number of 23 digits) contains 22 as substring.

Together with 134555554921, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134555554949) 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, 67277777459 + 67277777460.

It is an arithmetic number, because the mean of its divisors is an integer number (67277777460).

Almost surely, 2^134555554919 is an apocalyptic number.

134555554919 is a deficient number, since it is larger than the sum of its proper divisors (1).

134555554919 is an equidigital number, since it uses as much as digits as its factorization.

134555554919 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12150000, while the sum is 56.

The spelling of 134555554919 in words is "one hundred thirty-four billion, five hundred fifty-five million, five hundred fifty-four thousand, nine hundred nineteen".