133333336 has 32 divisors (see below), whose sum is σ = 263736000. Its totient is φ = 63019296.

The previous prime is 133333327. The next prime is 133333357. The reversal of 133333336 is 633333331.

It is a happy number.

It is a plaindrome in base 10.

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 in 7 ways as a sum of consecutive naturals, for example, 111735 + ... + 112921.

It is an arithmetic number, because the mean of its divisors is an integer number (8241750).

Almost surely, 2^133333336 is an apocalyptic number.

It is an amenable number.

133333336 is a deficient number, since it is larger than the sum of its proper divisors (130402664).

133333336 is a wasteful number, since it uses less digits than its factorization.

133333336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1951 (or 1947 counting only the distinct ones).

The product of its digits is 13122, while the sum is 28.

The square root of 133333336 is about 11547.0054992626. The cubic root of 133333336 is about 510.8729583349.

Adding to 133333336 its reverse (633333331), we get a palindrome (766666667).

The spelling of 133333336 in words is "one hundred thirty-three million, three hundred thirty-three thousand, three hundred thirty-six".