133405325 has 12 divisors (see below), whose sum is σ = 167519040. Its totient is φ = 105371760.

The previous prime is 133405303. The next prime is 133405333. The reversal of 133405325 is 523504331.

It is not a de Polignac number, because 133405325 - 2²² = 129211021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 133405294 and 133405303.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 31799 + ... + 35748.

It is an arithmetic number, because the mean of its divisors is an integer number (13959920).

Almost surely, 2^133405325 is an apocalyptic number.

It is an amenable number.

133405325 is a deficient number, since it is larger than the sum of its proper divisors (34113715).

133405325 is an equidigital number, since it uses as much as digits as its factorization.

133405325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67636 (or 67631 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 26.

The square root of 133405325 is about 11550.1222937249. The cubic root of 133405325 is about 510.9648848742.

Adding to 133405325 its reverse (523504331), we get a palindrome (656909656).

The spelling of 133405325 in words is "one hundred thirty-three million, four hundred five thousand, three hundred twenty-five".