133130325 has 48 divisors (see below), whose sum is σ = 233127936. Its totient is φ = 66897600.

The previous prime is 133130323. The next prime is 133130339. The reversal of 133130325 is 523031331.

It is not a de Polignac number, because 133130325 - 2¹ = 133130323 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133130323) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 121932 + ... + 123018.

It is an arithmetic number, because the mean of its divisors is an integer number (4856832).

Almost surely, 2^133130325 is an apocalyptic number.

133130325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

133130325 is a deficient number, since it is larger than the sum of its proper divisors (99997611).

133130325 is a wasteful number, since it uses less digits than its factorization.

133130325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1194 (or 1189 counting only the distinct ones).

The product of its (nonzero) digits is 810, while the sum is 21.

The square root of 133130325 is about 11538.2115165220. The cubic root of 133130325 is about 510.6135445605.

Adding to 133130325 its reverse (523031331), we get a palindrome (656161656).

The spelling of 133130325 in words is "one hundred thirty-three million, one hundred thirty thousand, three hundred twenty-five".