133243414 has 4 divisors (see below), whose sum is σ = 199865124. Its totient is φ = 66621706.

The previous prime is 133243403. The next prime is 133243423. The reversal of 133243414 is 414342331.

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

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 33310852 + ... + 33310855.

It is an arithmetic number, because the mean of its divisors is an integer number (49966281).

Almost surely, 2^133243414 is an apocalyptic number.

133243414 is a deficient number, since it is larger than the sum of its proper divisors (66621710).

133243414 is an equidigital number, since it uses as much as digits as its factorization.

133243414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66621709.

The product of its digits is 3456, while the sum is 25.

The square root of 133243414 is about 11543.1111057635. Note that the first 4 decimals coincide. The cubic root of 133243414 is about 510.7580857139.

Adding to 133243414 its reverse (414342331), we get a palindrome (547585745).

The spelling of 133243414 in words is "one hundred thirty-three million, two hundred forty-three thousand, four hundred fourteen".