133266533645640 has 32 divisors (see below), whose sum is σ = 399799600937280. Its totient is φ = 35537742305472.

The previous prime is 133266533645599. The next prime is 133266533645657. The reversal of 133266533645640 is 46546335662331.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 555277223404 + ... + 555277223643.

It is an arithmetic number, because the mean of its divisors is an integer number (12493737529290).

Almost surely, 2^{133266533645640} is an apocalyptic number.

133266533645640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133266533645640 is an abundant number, since it is smaller than the sum of its proper divisors (266533067291640).

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

133266533645640 is a wasteful number, since it uses less digits than its factorization.

133266533645640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1110554447061 (or 1110554447057 counting only the distinct ones).

The product of its (nonzero) digits is 83980800, while the sum is 57.

The spelling of 133266533645640 in words is "one hundred thirty-three trillion, two hundred sixty-six billion, five hundred thirty-three million, six hundred forty-five thousand, six hundred forty".