133925705 has 8 divisors (see below), whose sum is σ = 160864704. Its totient is φ = 107038000.

The previous prime is 133925689. The next prime is 133925713. The reversal of 133925705 is 507529331.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 133925705 - 2⁴ = 133925689 is a prime.

It is a super-3 number, since 3×133925705³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon 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 7 ways as a sum of consecutive naturals, for example, 6821 + ... + 17730.

It is an arithmetic number, because the mean of its divisors is an integer number (20108088).

Almost surely, 2^133925705 is an apocalyptic number.

It is an amenable number.

133925705 is a deficient number, since it is larger than the sum of its proper divisors (26938999).

133925705 is a wasteful number, since it uses less digits than its factorization.

133925705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25647.

The product of its (nonzero) digits is 28350, while the sum is 35.

The square root of 133925705 is about 11572.6274026256. The cubic root of 133925705 is about 511.6284039241.

The spelling of 133925705 in words is "one hundred thirty-three million, nine hundred twenty-five thousand, seven hundred five".