133870796987796 has 576 divisors, whose sum is σ = 411777623642112. Its totient is φ = 36172224000000.

The previous prime is 133870796987789. The next prime is 133870796987801. The reversal of 133870796987796 is 697789697078331.

133870796987796 is a `hidden beast` number, since 1 + 3 + 387 + 0 + 7 + 9 + 69 + 87 + 7 + 96 = 666.

It is a super-2 number, since 2×133870796987796² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 7034344801 + ... + 7034363831.

It is an arithmetic number, because the mean of its divisors is an integer number (714891707712).

Almost surely, 2^{133870796987796} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 133870796987796, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (205888811821056).

133870796987796 is an abundant number, since it is smaller than the sum of its proper divisors (277906826654316).

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

133870796987796 is a wasteful number, since it uses less digits than its factorization.

133870796987796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19524 (or 19519 counting only the distinct ones).

The product of its (nonzero) digits is 36294822144, while the sum is 90.

The spelling of 133870796987796 in words is "one hundred thirty-three trillion, eight hundred seventy billion, seven hundred ninety-six million, nine hundred eighty-seven thousand, seven hundred ninety-six".