134435551 has 4 divisors (see below), whose sum is σ = 134592192. Its totient is φ = 134278912.

The previous prime is 134435537. The next prime is 134435593. The reversal of 134435551 is 155534431.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 134435551 - 2⁵ = 134435519 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134430551) 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 in 3 ways as a sum of consecutive naturals, for example, 77026 + ... + 78751.

It is an arithmetic number, because the mean of its divisors is an integer number (33648048).

Almost surely, 2^134435551 is an apocalyptic number.

134435551 is a deficient number, since it is larger than the sum of its proper divisors (156641).

134435551 is an equidigital number, since it uses as much as digits as its factorization.

134435551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156640.

The product of its digits is 18000, while the sum is 31.

The square root of 134435551 is about 11594.6345781141. The cubic root of 134435551 is about 512.2768265668.

Adding to 134435551 its reverse (155534431), we get a palindrome (289969982).

The spelling of 134435551 in words is "one hundred thirty-four million, four hundred thirty-five thousand, five hundred fifty-one".