133660283352 has 128 divisors (see below), whose sum is σ = 355818700800. Its totient is φ = 41769036288.

The previous prime is 133660283347. The next prime is 133660283357. The reversal of 133660283352 is 253382066331.

It is an interprime number because it is at equal distance from previous prime (133660283347) and next prime (133660283357).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133660283357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4138338 + ... + 4170510.

It is an arithmetic number, because the mean of its divisors is an integer number (2779833600).

Almost surely, 2^133660283352 is an apocalyptic number.

133660283352 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 133660283352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (177909350400).

133660283352 is an abundant number, since it is smaller than the sum of its proper divisors (222158417448).

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

133660283352 is a wasteful number, since it uses less digits than its factorization.

133660283352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32385 (or 32381 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 42.

The spelling of 133660283352 in words is "one hundred thirty-three billion, six hundred sixty million, two hundred eighty-three thousand, three hundred fifty-two".