133524537606 has 24 divisors (see below), whose sum is σ = 294045842064. Its totient is φ = 43778536560.

The previous prime is 133524537593. The next prime is 133524537613. The reversal of 133524537606 is 606735425331.

It is a happy number.

133524537606 is a `hidden beast` number, since 1 + 3 + 3 + 5 + 2 + 4 + 5 + 37 + 606 = 666.

It is a super-2 number, since 2×133524537606² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 60802426 + ... + 60804621.

It is an arithmetic number, because the mean of its divisors is an integer number (12251910086).

Almost surely, 2^133524537606 is an apocalyptic number.

133524537606 is an abundant number, since it is smaller than the sum of its proper divisors (160521304458).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

133524537606 is a wasteful number, since it uses less digits than its factorization.

133524537606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121607116 (or 121607113 counting only the distinct ones).

The product of its (nonzero) digits is 1360800, while the sum is 45.

The spelling of 133524537606 in words is "one hundred thirty-three billion, five hundred twenty-four million, five hundred thirty-seven thousand, six hundred six".