133123335 has 16 divisors (see below), whose sum is σ = 214954080. Its totient is φ = 70346880.

The previous prime is 133123321. The next prime is 133123337. The reversal of 133123335 is 533321331.

It is not a de Polignac number, because 133123335 - 2⁶ = 133123271 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133123337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39076 + ... + 42345.

It is an arithmetic number, because the mean of its divisors is an integer number (13434630).

Almost surely, 2^133123335 is an apocalyptic number.

133123335 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

133123335 is a deficient number, since it is larger than the sum of its proper divisors (81830745).

133123335 is a wasteful number, since it uses less digits than its factorization.

133123335 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81538.

The product of its digits is 2430, while the sum is 24.

The square root of 133123335 is about 11537.9086059823. The cubic root of 133123335 is about 510.6046078259.

Adding to 133123335 its reverse (533321331), we get a palindrome (666444666).

The spelling of 133123335 in words is "one hundred thirty-three million, one hundred twenty-three thousand, three hundred thirty-five".