133807235 has 4 divisors (see below), whose sum is σ = 160568688. Its totient is φ = 107045784.

The previous prime is 133807229. The next prime is 133807249. The reversal of 133807235 is 532708331.

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 133807235 - 2¹² = 133803139 is a prime.

It is a super-2 number, since 2×133807235² = 35808752276690450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 13380719 + ... + 13380728.

It is an arithmetic number, because the mean of its divisors is an integer number (40142172).

Almost surely, 2^133807235 is an apocalyptic number.

133807235 is a deficient number, since it is larger than the sum of its proper divisors (26761453).

133807235 is an equidigital number, since it uses as much as digits as its factorization.

133807235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26761452.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 133807235 is about 11567.5077263860. The cubic root of 133807235 is about 511.4774981207.

The spelling of 133807235 in words is "one hundred thirty-three million, eight hundred seven thousand, two hundred thirty-five".