133520125 has 32 divisors (see below), whose sum is σ = 185777280. Its totient is φ = 95212800.

The previous prime is 133520039. The next prime is 133520137. The reversal of 133520125 is 521025331.

It is not a de Polignac number, because 133520125 - 2⁹ = 133519613 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 133520096 and 133520105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38722 + ... + 42028.

It is an arithmetic number, because the mean of its divisors is an integer number (5805540).

Almost surely, 2^133520125 is an apocalyptic number.

It is an amenable number.

133520125 is a deficient number, since it is larger than the sum of its proper divisors (52257155).

133520125 is a wasteful number, since it uses less digits than its factorization.

133520125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3358 (or 3348 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 133520125 is about 11555.0908693961. The cubic root of 133520125 is about 511.1114106366. Note that the first 3 decimals are identical.

Adding to 133520125 its reverse (521025331), we get a palindrome (654545456).

The spelling of 133520125 in words is "one hundred thirty-three million, five hundred twenty thousand, one hundred twenty-five".