133466944860 has 60 divisors (see below), whose sum is σ = 418690754328. Its totient is φ = 35591184864.

The previous prime is 133466944841. The next prime is 133466944861. The reversal of 133466944860 is 68449664331.

It is a happy number.

133466944860 is a `hidden beast` number, since 1 + 33 + 46 + 6 + 94 + 486 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (60).

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

It is a junction number, because it is equal to n+sod(n) for n = 133466944797 and 133466944806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133466944861) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 41191882 + ... + 41195121.

Almost surely, 2^133466944860 is an apocalyptic number.

133466944860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133466944860 is an abundant number, since it is smaller than the sum of its proper divisors (285223809468).

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

133466944860 is a wasteful number, since it uses less digits than its factorization.

133466944860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82387024 (or 82387013 counting only the distinct ones).

The product of its (nonzero) digits is 8957952, while the sum is 54.

The spelling of 133466944860 in words is "one hundred thirty-three billion, four hundred sixty-six million, nine hundred forty-four thousand, eight hundred sixty".