134430551 has 2 divisors, whose sum is σ = 134430552. Its totient is φ = 134430550.

The previous prime is 134430547. The next prime is 134430589. The reversal of 134430551 is 155034431.

134430551 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (155034431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 134430551 - 2² = 134430547 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 134430551.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134430511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67215275 + 67215276.

It is an arithmetic number, because the mean of its divisors is an integer number (67215276).

Almost surely, 2^134430551 is an apocalyptic number.

134430551 is a deficient number, since it is larger than the sum of its proper divisors (1).

134430551 is an equidigital number, since it uses as much as digits as its factorization.

134430551 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 134430551 is about 11594.4189591372. The cubic root of 134430551 is about 512.2704755288.

Adding to 134430551 its reverse (155034431), we get a palindrome (289464982).

The spelling of 134430551 in words is "one hundred thirty-four million, four hundred thirty thousand, five hundred fifty-one".