134440811 has 8 divisors (see below), whose sum is σ = 142630704. Its totient is φ = 126282240.

The previous prime is 134440783. The next prime is 134440909. The reversal of 134440811 is 118044431.

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

It is a cyclic number.

It is not a de Polignac number, because 134440811 - 2²⁶ = 67331947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134440711) 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 7 ways as a sum of consecutive naturals, for example, 1331 + ... + 16451.

It is an arithmetic number, because the mean of its divisors is an integer number (17828838).

Almost surely, 2^134440811 is an apocalyptic number.

134440811 is a deficient number, since it is larger than the sum of its proper divisors (8189893).

134440811 is a wasteful number, since it uses less digits than its factorization.

134440811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15661.

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 134440811 is about 11594.8614049500. The cubic root of 134440811 is about 512.2835076888.

The spelling of 134440811 in words is "one hundred thirty-four million, four hundred forty thousand, eight hundred eleven".