133690798080 has 1040 divisors, whose sum is σ = 568025536320. Its totient is φ = 29429858304.

The previous prime is 133690798079. The next prime is 133690798097. The reversal of 133690798080 is 80897096331.

133690798080 is a `hidden beast` number, since 1 + 336 + 90 + 79 + 80 + 80 = 666.

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 79 ways as a sum of consecutive naturals, for example, 336752442 + ... + 336752838.

Almost surely, 2^133690798080 is an apocalyptic number.

133690798080 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 133690798080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (284012768160).

133690798080 is an abundant number, since it is smaller than the sum of its proper divisors (434334738240).

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

133690798080 is an equidigital number, since it uses as much as digits as its factorization.

133690798080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474 (or 443 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 54.

The spelling of 133690798080 in words is "one hundred thirty-three billion, six hundred ninety million, seven hundred ninety-eight thousand, eighty".