133230566448 has 720 divisors, whose sum is σ = 491992510464. Its totient is φ = 34644879360.

The previous prime is 133230566423. The next prime is 133230566459. The reversal of 133230566448 is 844665032331.

133230566448 is a `hidden beast` number, since 1 + 332 + 305 + 6 + 6 + 4 + 4 + 8 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 100399161 + ... + 100400487.

Almost surely, 2^133230566448 is an apocalyptic number.

133230566448 is a gapful number since it is divisible by the number (18) 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 133230566448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (245996255232).

133230566448 is an abundant number, since it is smaller than the sum of its proper divisors (358761944016).

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

133230566448 is a wasteful number, since it uses less digits than its factorization.

133230566448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1412 (or 1387 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 45.

Adding to 133230566448 its reverse (844665032331), we get a palindrome (977895598779).

The spelling of 133230566448 in words is "one hundred thirty-three billion, two hundred thirty million, five hundred sixty-six thousand, four hundred forty-eight".