133333136 has 20 divisors (see below), whose sum is σ = 258577200. Its totient is φ = 66603552.

The previous prime is 133333111. The next prime is 133333141. The reversal of 133333136 is 631333331.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 16835 + ... + 23453.

It is an arithmetic number, because the mean of its divisors is an integer number (12928860).

Almost surely, 2^133333136 is an apocalyptic number.

133333136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

133333136 is a deficient number, since it is larger than the sum of its proper divisors (125244064).

133333136 is a wasteful number, since it uses less digits than its factorization.

133333136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7886 (or 7880 counting only the distinct ones).

The product of its digits is 4374, while the sum is 26.

The square root of 133333136 is about 11546.9968390054. The cubic root of 133333136 is about 510.8727028983.

Adding to 133333136 its reverse (631333331), we get a palindrome (764666467).

The spelling of 133333136 in words is "one hundred thirty-three million, three hundred thirty-three thousand, one hundred thirty-six".