113134509 has 8 divisors (see below), whose sum is σ = 167606720. Its totient is φ = 75422988.

The previous prime is 113134501. The next prime is 113134517. The reversal of 113134509 is 905431311.

It is an interprime number because it is at equal distance from previous prime (113134501) and next prime (113134517).

It is not a de Polignac number, because 113134509 - 2³ = 113134501 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: 4190167 = 113134509 / (1 + 1 + 3 + 1 + 3 + 4 + 5 + 0 + 9).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113134501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2095057 + ... + 2095110.

It is an arithmetic number, because the mean of its divisors is an integer number (20950840).

Almost surely, 2^113134509 is an apocalyptic number.

It is an amenable number.

113134509 is a deficient number, since it is larger than the sum of its proper divisors (54472211).

113134509 is an equidigital number, since it uses as much as digits as its factorization.

113134509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4190176 (or 4190170 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 27.

The square root of 113134509 is about 10636.4707022583. The cubic root of 113134509 is about 483.6505642626.

The spelling of 113134509 in words is "one hundred thirteen million, one hundred thirty-four thousand, five hundred nine".