133564113 has 8 divisors (see below), whose sum is σ = 197872800. Its totient is φ = 89042724.

The previous prime is 133564103. The next prime is 133564159. The reversal of 133564113 is 311465331.

133564113 is a `hidden beast` number, since 1 + 3 + 3 + 5 + 641 + 13 = 666.

It is not a de Polignac number, because 133564113 - 2⁴ = 133564097 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 4946819 = 133564113 / (1 + 3 + 3 + 5 + 6 + 4 + 1 + 1 + 3).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (133564103) 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, 2473383 + ... + 2473436.

It is an arithmetic number, because the mean of its divisors is an integer number (24734100).

Almost surely, 2^133564113 is an apocalyptic number.

It is an amenable number.

133564113 is a deficient number, since it is larger than the sum of its proper divisors (64308687).

133564113 is an equidigital number, since it uses as much as digits as its factorization.

133564113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4946828 (or 4946822 counting only the distinct ones).

The product of its digits is 3240, while the sum is 27.

The square root of 133564113 is about 11556.9941161186. The cubic root of 133564113 is about 511.1675327635.

The spelling of 133564113 in words is "one hundred thirty-three million, five hundred sixty-four thousand, one hundred thirteen".