133865225061120 has 864 divisors, whose sum is σ = 558234490544640. Its totient is φ = 30079130664960.

The previous prime is 133865225061091. The next prime is 133865225061163. The reversal of 133865225061120 is 21160522568331.

It is a happy number.

133865225061120 is a `hidden beast` number, since 1 + 3 + 3 + 8 + 6 + 5 + 2 + 2 + 5 + 0 + 611 + 20 = 666.

It is a tau number, because it is divible by the number of its divisors (864).

It is a Harshad number since it is a multiple of its sum of digits (45).

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, 127938480 + ... + 128980560.

Almost surely, 2^{133865225061120} is an apocalyptic number.

133865225061120 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 133865225061120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (279117245272320).

133865225061120 is an abundant number, since it is smaller than the sum of its proper divisors (424369265483520).

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

133865225061120 is an equidigital number, since it uses as much as digits as its factorization.

133865225061120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1042183 (or 1042157 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 45.

The spelling of 133865225061120 in words is "one hundred thirty-three trillion, eight hundred sixty-five billion, two hundred twenty-five million, sixty-one thousand, one hundred twenty".