134145551 has 2 divisors, whose sum is σ = 134145552. Its totient is φ = 134145550.

The previous prime is 134145533. The next prime is 134145553. The reversal of 134145551 is 155541431.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 134145551 - 2²⁶ = 67036687 is a prime.

Together with 134145553, 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 (134145553) 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, 67072775 + 67072776.

It is an arithmetic number, because the mean of its divisors is an integer number (67072776).

Almost surely, 2^134145551 is an apocalyptic number.

134145551 is a deficient number, since it is larger than the sum of its proper divisors (1).

134145551 is an equidigital number, since it uses as much as digits as its factorization.

134145551 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6000, while the sum is 29.

The square root of 134145551 is about 11582.1220421821. The cubic root of 134145551 is about 511.9082057421.

Adding to 134145551 its reverse (155541431), we get a palindrome (289686982).

The spelling of 134145551 in words is "one hundred thirty-four million, one hundred forty-five thousand, five hundred fifty-one".