133404925 has 12 divisors (see below), whose sum is σ = 166971456. Its totient is φ = 105724400.

The previous prime is 133404923. The next prime is 133404989. The reversal of 133404925 is 529404331.

It is not a de Polignac number, because 133404925 - 2¹ = 133404923 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133404923) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 22261 + ... + 27610.

It is an arithmetic number, because the mean of its divisors is an integer number (13914288).

Almost surely, 2^133404925 is an apocalyptic number.

It is an amenable number.

133404925 is a deficient number, since it is larger than the sum of its proper divisors (33566531).

133404925 is a wasteful number, since it uses less digits than its factorization.

133404925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49988 (or 49983 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 133404925 is about 11550.1049778779. The cubic root of 133404925 is about 510.9643741846.

The spelling of 133404925 in words is "one hundred thirty-three million, four hundred four thousand, nine hundred twenty-five".