133434011 has 4 divisors (see below), whose sum is σ = 133522032. Its totient is φ = 133345992.

The previous prime is 133433983. The next prime is 133434047. The reversal of 133434011 is 110434331.

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

It is a cyclic number.

It is not a de Polignac number, because 133434011 - 2¹⁸ = 133171867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133434211) 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, 41696 + ... + 44781.

It is an arithmetic number, because the mean of its divisors is an integer number (33380508).

Almost surely, 2^133434011 is an apocalyptic number.

133434011 is a deficient number, since it is larger than the sum of its proper divisors (88021).

133434011 is an equidigital number, since it uses as much as digits as its factorization.

133434011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88020.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 133434011 is about 11551.3640320094. The cubic root of 133434011 is about 511.0015063215.

Adding to 133434011 its reverse (110434331), we get a palindrome (243868342).

The spelling of 133434011 in words is "one hundred thirty-three million, four hundred thirty-four thousand, eleven".