133373535 has 16 divisors (see below), whose sum is σ = 213715680. Its totient is φ = 71026560.

The previous prime is 133373509. The next prime is 133373543. The reversal of 133373535 is 535373331.

It is not a de Polignac number, because 133373535 - 2⁵ = 133373503 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 133373496 and 133373505.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4365 + ... + 16905.

It is an arithmetic number, because the mean of its divisors is an integer number (13357230).

Almost surely, 2^133373535 is an apocalyptic number.

133373535 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

133373535 is a deficient number, since it is larger than the sum of its proper divisors (80342145).

133373535 is a wasteful number, since it uses less digits than its factorization.

133373535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13258.

The product of its digits is 42525, while the sum is 33.

The square root of 133373535 is about 11548.7460358257. The cubic root of 133373535 is about 510.9242946301.

The spelling of 133373535 in words is "one hundred thirty-three million, three hundred seventy-three thousand, five hundred thirty-five".