134242249 has 8 divisors (see below), whose sum is σ = 135336960. Its totient is φ = 133152000.

The previous prime is 134242243. The next prime is 134242261. The reversal of 134242249 is 942242431.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-134242249 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 134242249.

It is not an unprimeable number, because it can be changed into a prime (134242243) 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, 83049 + ... + 84649.

It is an arithmetic number, because the mean of its divisors is an integer number (16917120).

Almost surely, 2^134242249 is an apocalyptic number.

It is an amenable number.

134242249 is a deficient number, since it is larger than the sum of its proper divisors (1094711).

134242249 is a wasteful number, since it uses less digits than its factorization.

134242249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2231.

The product of its digits is 13824, while the sum is 31.

The square root of 134242249 is about 11586.2957410900. The cubic root of 134242249 is about 512.0311781653.

The spelling of 134242249 in words is "one hundred thirty-four million, two hundred forty-two thousand, two hundred forty-nine".