133105356252 has 36 divisors (see below), whose sum is σ = 367048104696. Its totient is φ = 40334956320.

The previous prime is 133105356247. The next prime is 133105356271. The reversal of 133105356252 is 252653501331.

133105356252 is a `hidden beast` number, since 1 + 3 + 3 + 10 + 535 + 62 + 52 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 168061923 + ... + 168062714.

It is an arithmetic number, because the mean of its divisors is an integer number (10195780686).

Almost surely, 2^133105356252 is an apocalyptic number.

133105356252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

133105356252 is an abundant number, since it is smaller than the sum of its proper divisors (233942748444).

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

133105356252 is a wasteful number, since it uses less digits than its factorization.

133105356252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336124658 (or 336124653 counting only the distinct ones).

The product of its (nonzero) digits is 81000, while the sum is 36.

Adding to 133105356252 its reverse (252653501331), we get a palindrome (385758857583).

The spelling of 133105356252 in words is "one hundred thirty-three billion, one hundred five million, three hundred fifty-six thousand, two hundred fifty-two".