133333011 has 12 divisors (see below), whose sum is σ = 220105392. Its totient is φ = 76190256.

The previous prime is 133332977. The next prime is 133333019. The reversal of 133333011 is 110333331.

133333011 is a `hidden beast` number, since 1 + 333 + 330 + 1 + 1 = 666.

It is not a de Polignac number, because 133333011 - 2⁹ = 133332499 is a prime.

It is a super-2 number, since 2×133333011² = 35555383644652242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (133333019) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1058136 + ... + 1058261.

It is an arithmetic number, because the mean of its divisors is an integer number (18342116).

Almost surely, 2^133333011 is an apocalyptic number.

133333011 is a deficient number, since it is larger than the sum of its proper divisors (86772381).

133333011 is a wasteful number, since it uses less digits than its factorization.

133333011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2116410 (or 2116407 counting only the distinct ones).

The product of its (nonzero) digits is 243, while the sum is 18.

The square root of 133333011 is about 11546.9914263413. The cubic root of 133333011 is about 510.8725432502.

Adding to 133333011 its reverse (110333331), we get a palindrome (243666342).

The spelling of 133333011 in words is "one hundred thirty-three million, three hundred thirty-three thousand, eleven".