133355231352 has 96 divisors (see below), whose sum is σ = 416773793280. Its totient is φ = 37731562560.

The previous prime is 133355231333. The next prime is 133355231357. The reversal of 133355231352 is 253132553331.

It is a happy number.

133355231352 is a `hidden beast` number, since 1 + 3 + 335 + 5 + 2 + 313 + 5 + 2 = 666.

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 (133355231357) 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 23 ways as a sum of consecutive naturals, for example, 1232524 + ... + 1336347.

It is an arithmetic number, because the mean of its divisors is an integer number (4341393680).

Almost surely, 2^133355231352 is an apocalyptic number.

133355231352 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

133355231352 is an abundant number, since it is smaller than the sum of its proper divisors (283418561928).

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

133355231352 is a wasteful number, since it uses less digits than its factorization.

133355231352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2568993 (or 2568986 counting only the distinct ones).

The product of its digits is 121500, while the sum is 36.

Adding to 133355231352 its reverse (253132553331), we get a palindrome (386487784683).

The spelling of 133355231352 in words is "one hundred thirty-three billion, three hundred fifty-five million, two hundred thirty-one thousand, three hundred fifty-two".