133275125 has 16 divisors (see below), whose sum is σ = 169474032. Its totient is φ = 104603200.

The previous prime is 133275119. The next prime is 133275193. The reversal of 133275125 is 521572331.

It can be written as a sum of positive squares in 8 ways, for example, as 48469444 + 84805681 = 6962^2 + 9209^2 .

It is a de Polignac number, because none of the positive numbers 2^k-133275125 is a prime.

It is a Duffinian number.

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, 3434 + ... + 16683.

It is an arithmetic number, because the mean of its divisors is an integer number (10592127).

Almost surely, 2^133275125 is an apocalyptic number.

It is an amenable number.

133275125 is a deficient number, since it is larger than the sum of its proper divisors (36198907).

133275125 is an equidigital number, since it uses as much as digits as its factorization.

133275125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20185 (or 20175 counting only the distinct ones).

The product of its digits is 6300, while the sum is 29.

The square root of 133275125 is about 11544.4846138751. The cubic root of 133275125 is about 510.7986014499.

The spelling of 133275125 in words is "one hundred thirty-three million, two hundred seventy-five thousand, one hundred twenty-five".