133505534 has 8 divisors (see below), whose sum is σ = 200373168. Its totient is φ = 66714480.

The previous prime is 133505527. The next prime is 133505549. The reversal of 133505534 is 435505331.

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

It is a super-3 number, since 3×133505534³ (a number of 25 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 133505497 and 133505506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14567 + ... + 21890.

It is an arithmetic number, because the mean of its divisors is an integer number (25046646).

Almost surely, 2^133505534 is an apocalyptic number.

133505534 is a deficient number, since it is larger than the sum of its proper divisors (66867634).

133505534 is a wasteful number, since it uses less digits than its factorization.

133505534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38290.

The product of its (nonzero) digits is 13500, while the sum is 29.

The square root of 133505534 is about 11554.4594854108. The cubic root of 133505534 is about 511.0927919745.

The spelling of 133505534 in words is "one hundred thirty-three million, five hundred five thousand, five hundred thirty-four".