133457792568 has 16 divisors (see below), whose sum is σ = 333644481480. Its totient is φ = 44485930848.

The previous prime is 133457792543. The next prime is 133457792581. The reversal of 133457792568 is 865297754331.

It is a happy number.

It is a congruent number.

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, 2780370655 + ... + 2780370702.

Almost surely, 2^133457792568 is an apocalyptic number.

It is an amenable number.

133457792568 is an abundant number, since it is smaller than the sum of its proper divisors (200186688912).

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

133457792568 is a wasteful number, since it uses less digits than its factorization.

133457792568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5560741366 (or 5560741362 counting only the distinct ones).

The product of its digits is 38102400, while the sum is 60.

The spelling of 133457792568 in words is "one hundred thirty-three billion, four hundred fifty-seven million, seven hundred ninety-two thousand, five hundred sixty-eight".