133334449 has 4 divisors (see below), whose sum is σ = 133358436. Its totient is φ = 133310464.

The previous prime is 133334447. The next prime is 133334477. The reversal of 133334449 is 944433331.

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

It can be written as a sum of positive squares in 2 ways, for example, as 69222400 + 64112049 = 8320^2 + 8007^2 .

It is a cyclic number.

It is not a de Polignac number, because 133334449 - 2¹ = 133334447 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (133334447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1137 + ... + 16369.

It is an arithmetic number, because the mean of its divisors is an integer number (33339609).

Almost surely, 2^133334449 is an apocalyptic number.

It is an amenable number.

133334449 is a deficient number, since it is larger than the sum of its proper divisors (23987).

133334449 is an equidigital number, since it uses as much as digits as its factorization.

133334449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23986.

The product of its digits is 46656, while the sum is 34.

The square root of 133334449 is about 11547.0536934752. The cubic root of 133334449 is about 510.8743798349.

The spelling of 133334449 in words is "one hundred thirty-three million, three hundred thirty-four thousand, four hundred forty-nine".