134449897 has 8 divisors (see below), whose sum is σ = 139638600. Its totient is φ = 129343104.

The previous prime is 134449879. The next prime is 134449901. The reversal of 134449897 is 798944431.

It can be written as a sum of positive squares in 4 ways, for example, as 72182016 + 62267881 = 8496^2 + 7891^2 .

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 134449897 - 2⁷ = 134449769 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 134449897.

It is not an unprimeable number, because it can be changed into a prime (134449097) 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, 17122 + ... + 23707.

It is an arithmetic number, because the mean of its divisors is an integer number (17454825).

Almost surely, 2^134449897 is an apocalyptic number.

It is an amenable number.

134449897 is a deficient number, since it is larger than the sum of its proper divisors (5188703).

134449897 is an equidigital number, since it uses as much as digits as its factorization.

134449897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40955.

The product of its digits is 870912, while the sum is 49.

The square root of 134449897 is about 11595.2532098269. The cubic root of 134449897 is about 512.2950480910.

The spelling of 134449897 in words is "one hundred thirty-four million, four hundred forty-nine thousand, eight hundred ninety-seven".