133788725 has 24 divisors (see below), whose sum is σ = 200755008. Its totient is φ = 86342400.

The previous prime is 133788713. The next prime is 133788761. The reversal of 133788725 is 527887331.

It is not a de Polignac number, because 133788725 - 2⁸ = 133788469 is a prime.

It is a Duffinian number.

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 23 ways as a sum of consecutive naturals, for example, 19511 + ... + 25460.

It is an arithmetic number, because the mean of its divisors is an integer number (8364792).

Almost surely, 2^133788725 is an apocalyptic number.

It is an amenable number.

133788725 is a deficient number, since it is larger than the sum of its proper divisors (66966283).

133788725 is a wasteful number, since it uses less digits than its factorization.

133788725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45005 (or 45000 counting only the distinct ones).

The product of its digits is 282240, while the sum is 44.

The square root of 133788725 is about 11566.7076127998. The cubic root of 133788725 is about 511.4539122384.

The spelling of 133788725 in words is "one hundred thirty-three million, seven hundred eighty-eight thousand, seven hundred twenty-five".