133616534 has 8 divisors (see below), whose sum is σ = 200761200. Its totient is φ = 66696136.

The previous prime is 133616521. The next prime is 133616537. The reversal of 133616534 is 435616331.

133616534 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 133616534.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133616537) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54569 + ... + 56964.

It is an arithmetic number, because the mean of its divisors is an integer number (25095150).

Almost surely, 2^133616534 is an apocalyptic number.

133616534 is a deficient number, since it is larger than the sum of its proper divisors (67144666).

133616534 is a wasteful number, since it uses less digits than its factorization.

133616534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112134.

The product of its digits is 19440, while the sum is 32.

The square root of 133616534 is about 11559.2618276428. The cubic root of 133616534 is about 511.2343980509.

The spelling of 133616534 in words is "one hundred thirty-three million, six hundred sixteen thousand, five hundred thirty-four".