133297593 has 48 divisors (see below), whose sum is σ = 215217408. Its totient is φ = 72864000.

The previous prime is 133297589. The next prime is 133297603. The reversal of 133297593 is 395792331.

It is not a de Polignac number, because 133297593 - 2² = 133297589 is a prime.

It is not an unprimeable number, because it can be changed into a prime (133297513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 221493 + ... + 222093.

It is an arithmetic number, because the mean of its divisors is an integer number (4483696).

Almost surely, 2^133297593 is an apocalyptic number.

133297593 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

133297593 is a deficient number, since it is larger than the sum of its proper divisors (81919815).

133297593 is a wasteful number, since it uses less digits than its factorization.

133297593 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 686 (or 675 counting only the distinct ones).

The product of its digits is 153090, while the sum is 42.

The square root of 133297593 is about 11545.4576782387. The cubic root of 133297593 is about 510.8273039256.

The spelling of 133297593 in words is "one hundred thirty-three million, two hundred ninety-seven thousand, five hundred ninety-three".