133044825 has 24 divisors (see below), whose sum is σ = 220298400. Its totient is φ = 70850560.

The previous prime is 133044817. The next prime is 133044829. The reversal of 133044825 is 528440331.

It is not a de Polignac number, because 133044825 - 2³ = 133044817 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 133044792 and 133044801.

It is not an unprimeable number, because it can be changed into a prime (133044829) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 93721 + ... + 95129.

It is an arithmetic number, because the mean of its divisors is an integer number (9179100).

Almost surely, 2^133044825 is an apocalyptic number.

133044825 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

133044825 is a deficient number, since it is larger than the sum of its proper divisors (87253575).

133044825 is a wasteful number, since it uses less digits than its factorization.

133044825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2681 (or 2676 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 133044825 is about 11534.5058411707. The cubic root of 133044825 is about 510.5042110749.

The spelling of 133044825 in words is "one hundred thirty-three million, forty-four thousand, eight hundred twenty-five".