133075555 has 8 divisors (see below), whose sum is σ = 160708752. Its totient is φ = 105781728.

The previous prime is 133075549. The next prime is 133075573. The reversal of 133075555 is 555570331.

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

It is a cyclic number.

It is not a de Polignac number, because 133075555 - 2⁷ = 133075427 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 133075555.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83977 + ... + 85546.

It is an arithmetic number, because the mean of its divisors is an integer number (20088594).

Almost surely, 2^133075555 is an apocalyptic number.

133075555 is a deficient number, since it is larger than the sum of its proper divisors (27633197).

133075555 is a wasteful number, since it uses less digits than its factorization.

133075555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169685.

The product of its (nonzero) digits is 39375, while the sum is 34.

The square root of 133075555 is about 11535.8378542696. The cubic root of 133075555 is about 510.5435125828.

The spelling of 133075555 in words is "one hundred thirty-three million, seventy-five thousand, five hundred fifty-five".