134555567 has 2 divisors, whose sum is σ = 134555568. Its totient is φ = 134555566.

The previous prime is 134555539. The next prime is 134555609. The reversal of 134555567 is 765555431.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 134555567 - 2⁶ = 134555503 is a prime.

It is a super-2 number, since 2×134555567² = 36210401221382978, which contains 22 as substring.

It is a plaindrome in base 10.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134555537) 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, 67277783 + 67277784.

It is an arithmetic number, because the mean of its divisors is an integer number (67277784).

Almost surely, 2^134555567 is an apocalyptic number.

134555567 is a deficient number, since it is larger than the sum of its proper divisors (1).

134555567 is an equidigital number, since it uses as much as digits as its factorization.

134555567 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 315000, while the sum is 41.

The square root of 134555567 is about 11599.8089208400. The cubic root of 134555567 is about 512.4292245711.

The spelling of 134555567 in words is "one hundred thirty-four million, five hundred fifty-five thousand, five hundred sixty-seven".