133155235 has 4 divisors (see below), whose sum is σ = 159786288. Its totient is φ = 106524184.

The previous prime is 133155223. The next prime is 133155241. The reversal of 133155235 is 532551331.

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 133155235 - 2⁷ = 133155107 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13315519 + ... + 13315528.

It is an arithmetic number, because the mean of its divisors is an integer number (39946572).

Almost surely, 2^133155235 is an apocalyptic number.

133155235 is a deficient number, since it is larger than the sum of its proper divisors (26631053).

133155235 is an equidigital number, since it uses as much as digits as its factorization.

133155235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26631052.

The product of its digits is 6750, while the sum is 28.

The square root of 133155235 is about 11539.2909227560. The cubic root of 133155235 is about 510.6453895218.

The spelling of 133155235 in words is "one hundred thirty-three million, one hundred fifty-five thousand, two hundred thirty-five".