133489668600 has 384 divisors, whose sum is σ = 470152051200. Its totient is φ = 35239743360.

The previous prime is 133489668583. The next prime is 133489668617. The reversal of 133489668600 is 6866984331.

It is an interprime number because it is at equal distance from previous prime (133489668583) and next prime (133489668617).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 45050719 + ... + 45053681.

It is an arithmetic number, because the mean of its divisors is an integer number (1224354300).

Almost surely, 2^133489668600 is an apocalyptic number.

133489668600 is a gapful number since it is divisible by the number (10) 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 133489668600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (235076025600).

133489668600 is an abundant number, since it is smaller than the sum of its proper divisors (336662382600).

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

133489668600 is a wasteful number, since it uses less digits than its factorization.

133489668600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3103 (or 3076 counting only the distinct ones).

The product of its (nonzero) digits is 4478976, while the sum is 54.

The spelling of 133489668600 in words is "one hundred thirty-three billion, four hundred eighty-nine million, six hundred sixty-eight thousand, six hundred".