112713509 has 4 divisors (see below), whose sum is σ = 112746816. Its totient is φ = 112680204.

The previous prime is 112713467. The next prime is 112713511. The reversal of 112713509 is 905317211.

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, and also an emirpimes, since its reverse is a distinct semiprime: 905317211 = 31 ⋅29203781.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112713509 is a prime.

It is a super-2 number, since 2×112713509² = 25408670222186162, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112713539) 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, 10919 + ... + 18564.

It is an arithmetic number, because the mean of its divisors is an integer number (28186704).

Almost surely, 2^112713509 is an apocalyptic number.

It is an amenable number.

112713509 is a deficient number, since it is larger than the sum of its proper divisors (33307).

112713509 is an equidigital number, since it uses as much as digits as its factorization.

112713509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33306.

The product of its (nonzero) digits is 1890, while the sum is 29.

The square root of 112713509 is about 10616.6618576651. The cubic root of 112713509 is about 483.0498928980.

The spelling of 112713509 in words is "one hundred twelve million, seven hundred thirteen thousand, five hundred nine".