134628551 has 2 divisors, whose sum is σ = 134628552. Its totient is φ = 134628550.

The previous prime is 134628521. The next prime is 134628581. The reversal of 134628551 is 155826431.

It is a balanced prime because it is at equal distance from previous prime (134628521) and next prime (134628581).

It is an emirp because it is prime and its reverse (155826431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 134628551 - 2¹⁰ = 134627527 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134628511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67314275 + 67314276.

It is an arithmetic number, because the mean of its divisors is an integer number (67314276).

Almost surely, 2^134628551 is an apocalyptic number.

134628551 is a deficient number, since it is larger than the sum of its proper divisors (1).

134628551 is an equidigital number, since it uses as much as digits as its factorization.

134628551 is an evil number, because the sum of its binary digits is even.

The product of its digits is 28800, while the sum is 35.

The square root of 134628551 is about 11602.9544082531. The cubic root of 134628551 is about 512.5218563750.

The spelling of 134628551 in words is "one hundred thirty-four million, six hundred twenty-eight thousand, five hundred fifty-one".