113005133 has 4 divisors (see below), whose sum is σ = 113221728. Its totient is φ = 112788540.

The previous prime is 113005121. The next prime is 113005147. The reversal of 113005133 is 331500311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 113005133 - 2⁴ = 113005117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113005033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107513 + ... + 108558.

It is an arithmetic number, because the mean of its divisors is an integer number (28305432).

Almost surely, 2^113005133 is an apocalyptic number.

It is an amenable number.

113005133 is a deficient number, since it is larger than the sum of its proper divisors (216595).

113005133 is an equidigital number, since it uses as much as digits as its factorization.

113005133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216594.

The product of its (nonzero) digits is 135, while the sum is 17.

The square root of 113005133 is about 10630.3872460038. The cubic root of 113005133 is about 483.4661329369.

Adding to 113005133 its reverse (331500311), we get a palindrome (444505444).

The spelling of 113005133 in words is "one hundred thirteen million, five thousand, one hundred thirty-three".