133925945 has 8 divisors (see below), whose sum is σ = 161977344. Its totient is φ = 106296624.

The previous prime is 133925933. The next prime is 133925947. The reversal of 133925945 is 549529331.

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 133925945 - 2⁸ = 133925689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133925947) 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 7 ways as a sum of consecutive naturals, for example, 104819 + ... + 106088.

It is an arithmetic number, because the mean of its divisors is an integer number (20247168).

Almost surely, 2^133925945 is an apocalyptic number.

It is an amenable number.

133925945 is a deficient number, since it is larger than the sum of its proper divisors (28051399).

133925945 is a wasteful number, since it uses less digits than its factorization.

133925945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211039.

The product of its digits is 145800, while the sum is 41.

The square root of 133925945 is about 11572.6377719170. The cubic root of 133925945 is about 511.6287095432.

The spelling of 133925945 in words is "one hundred thirty-three million, nine hundred twenty-five thousand, nine hundred forty-five".