133334640252 has 36 divisors (see below), whose sum is σ = 367680372696. Its totient is φ = 40404436320.

The previous prime is 133334640221. The next prime is 133334640259. The reversal of 133334640252 is 252046433331.

133334640252 is a `hidden beast` number, since 1 + 3 + 3 + 3 + 3 + 4 + 640 + 2 + 5 + 2 = 666.

133334640252 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×133334640252² (a number of 23 digits) contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133334640259) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 168351423 + ... + 168352214.

It is an arithmetic number, because the mean of its divisors is an integer number (10213343686).

Almost surely, 2^133334640252 is an apocalyptic number.

133334640252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

133334640252 is an abundant number, since it is smaller than the sum of its proper divisors (234345732444).

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

133334640252 is a wasteful number, since it uses less digits than its factorization.

133334640252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336703658 (or 336703653 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 36.

The spelling of 133334640252 in words is "one hundred thirty-three billion, three hundred thirty-four million, six hundred forty thousand, two hundred fifty-two".