133903175409 has 32 divisors (see below), whose sum is σ = 210079872000. Its totient is φ = 84003409152.

The previous prime is 133903175377. The next prime is 133903175437. The reversal of 133903175409 is 904571309331.

133903175409 is a `hidden beast` number, since 1 + 3 + 3 + 90 + 3 + 17 + 540 + 9 = 666.

It is not a de Polignac number, because 133903175409 - 2⁵ = 133903175377 is a prime.

It is a super-2 number, since 2×133903175409² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (133903175479) 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 31 ways as a sum of consecutive naturals, for example, 3113152 + ... + 3155870.

It is an arithmetic number, because the mean of its divisors is an integer number (6564996000).

Almost surely, 2^133903175409 is an apocalyptic number.

It is an amenable number.

133903175409 is a deficient number, since it is larger than the sum of its proper divisors (76176696591).

133903175409 is a wasteful number, since it uses less digits than its factorization.

133903175409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49574 (or 49568 counting only the distinct ones).

The product of its (nonzero) digits is 306180, while the sum is 45.

The spelling of 133903175409 in words is "one hundred thirty-three billion, nine hundred three million, one hundred seventy-five thousand, four hundred nine".