133204313532 has 24 divisors (see below), whose sum is σ = 315187673472. Its totient is φ = 43776065200.

The previous prime is 133204313527. The next prime is 133204313549. The reversal of 133204313532 is 235313402331.

It is a self number, because there is not a number n which added to its sum of digits gives 133204313532.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78170694 + ... + 78172397.

It is an arithmetic number, because the mean of its divisors is an integer number (13132819728).

Almost surely, 2^133204313532 is an apocalyptic number.

133204313532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

133204313532 is an abundant number, since it is smaller than the sum of its proper divisors (181983359940).

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

133204313532 is a wasteful number, since it uses less digits than its factorization.

133204313532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156343169 (or 156343167 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 30.

Adding to 133204313532 its reverse (235313402331), we get a palindrome (368517715863).

The spelling of 133204313532 in words is "one hundred thirty-three billion, two hundred four million, three hundred thirteen thousand, five hundred thirty-two".