133318286748 has 24 divisors (see below), whose sum is σ = 345640002960. Its totient is φ = 44439428880.

The previous prime is 133318286713. The next prime is 133318286749. The reversal of 133318286748 is 847682813331.

It is a happy number.

133318286748 is a `hidden beast` number, since 1 + 3 + 3 + 318 + 286 + 7 + 48 = 666.

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 = 133318286694 and 133318286703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133318286749) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 617214183 + ... + 617214398.

It is an arithmetic number, because the mean of its divisors is an integer number (14401666790).

Almost surely, 2^133318286748 is an apocalyptic number.

133318286748 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

133318286748 is an abundant number, since it is smaller than the sum of its proper divisors (212321716212).

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

133318286748 is a wasteful number, since it uses less digits than its factorization.

133318286748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1234428594 (or 1234428586 counting only the distinct ones).

The product of its digits is 4644864, while the sum is 54.

The spelling of 133318286748 in words is "one hundred thirty-three billion, three hundred eighteen million, two hundred eighty-six thousand, seven hundred forty-eight".