134440135 has 8 divisors (see below), whose sum is σ = 161583696. Its totient is φ = 107381760.

The previous prime is 134440121. The next prime is 134440139. The reversal of 134440135 is 531044431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 134440135 - 2²¹ = 132342983 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 (134440139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17769 + ... + 24178.

It is an arithmetic number, because the mean of its divisors is an integer number (20197962).

Almost surely, 2^134440135 is an apocalyptic number.

134440135 is a deficient number, since it is larger than the sum of its proper divisors (27143561).

134440135 is an equidigital number, since it uses as much as digits as its factorization.

134440135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42593.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 134440135 is about 11594.8322540691. The cubic root of 134440135 is about 512.2826490601.

Adding to 134440135 its reverse (531044431), we get a palindrome (665484566).

The spelling of 134440135 in words is "one hundred thirty-four million, four hundred forty thousand, one hundred thirty-five".