133478743580864 has 56 divisors (see below), whose sum is σ = 289451926533648. Its totient is φ = 60567004938240.

The previous prime is 133478743580843. The next prime is 133478743580867. The reversal of 133478743580864 is 468085347874331.

It is not an unprimeable number, because it can be changed into a prime (133478743580867) 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, 163892309 + ... + 164704724.

Almost surely, 2^{133478743580864} is an apocalyptic number.

It is an amenable number.

133478743580864 is an abundant number, since it is smaller than the sum of its proper divisors (155973182952784).

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

133478743580864 is a wasteful number, since it uses less digits than its factorization.

133478743580864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328597633 (or 328597623 counting only the distinct ones).

The product of its (nonzero) digits is 1300561920, while the sum is 71.

The spelling of 133478743580864 in words is "one hundred thirty-three trillion, four hundred seventy-eight billion, seven hundred forty-three million, five hundred eighty thousand, eight hundred sixty-four".