133606275 has 24 divisors (see below), whose sum is σ = 240978624. Its totient is φ = 64778400.

The previous prime is 133606261. The next prime is 133606313. The reversal of 133606275 is 572606331.

It is not a de Polignac number, because 133606275 - 2¹⁴ = 133589891 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

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 23 ways as a sum of consecutive naturals, for example, 80149 + ... + 81798.

It is an arithmetic number, because the mean of its divisors is an integer number (10040776).

Almost surely, 2^133606275 is an apocalyptic number.

133606275 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

133606275 is a deficient number, since it is larger than the sum of its proper divisors (107372349).

133606275 is a wasteful number, since it uses less digits than its factorization.

133606275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161971 (or 161966 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 33.

The square root of 133606275 is about 11558.8180624145. The cubic root of 133606275 is about 511.2213136225.

The spelling of 133606275 in words is "one hundred thirty-three million, six hundred six thousand, two hundred seventy-five".