133311005 has 8 divisors (see below), whose sum is σ = 165133824. Its totient is φ = 103208400.

The previous prime is 133310993. The next prime is 133311007. The reversal of 133311005 is 500113331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 133311005 - 2²⁴ = 116533789 is a prime.

It is a super-2 number, since 2×133311005² = 35543648108220050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133311007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 429881 + ... + 430190.

It is an arithmetic number, because the mean of its divisors is an integer number (20641728).

Almost surely, 2^133311005 is an apocalyptic number.

It is an amenable number.

133311005 is a deficient number, since it is larger than the sum of its proper divisors (31822819).

133311005 is an equidigital number, since it uses as much as digits as its factorization.

133311005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 860107.

The product of its (nonzero) digits is 135, while the sum is 17.

The square root of 133311005 is about 11546.0384981170. The cubic root of 133311005 is about 510.8444359830.

Adding to 133311005 its reverse (500113331), we get a palindrome (633424336).

The spelling of 133311005 in words is "one hundred thirty-three million, three hundred eleven thousand, five".