133478765378608 has 20 divisors (see below), whose sum is σ = 278508577761568. Its totient is φ = 61605584020800.

The previous prime is 133478765378597. The next prime is 133478765378633. The reversal of 133478765378608 is 806873567874331.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 320862416568 + ... + 320862416983.

Almost surely, 2^{133478765378608} is an apocalyptic number.

It is an amenable number.

133478765378608 is an abundant number, since it is smaller than the sum of its proper divisors (145029812382960).

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

133478765378608 is a wasteful number, since it uses less digits than its factorization.

133478765378608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 641724833572 (or 641724833566 counting only the distinct ones).

The product of its (nonzero) digits is 3413975040, while the sum is 76.

The spelling of 133478765378608 in words is "one hundred thirty-three trillion, four hundred seventy-eight billion, seven hundred sixty-five million, three hundred seventy-eight thousand, six hundred eight".