113040013 has 4 divisors (see below), whose sum is σ = 113062240. Its totient is φ = 113017788.

The previous prime is 113040007. The next prime is 113040019. The reversal of 113040013 is 310040311.

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 an interprime number because it is at equal distance from previous prime (113040007) and next prime (113040019).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113040013 is a prime.

It is a super-3 number, since 3×113040013³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 113039975 and 113040002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113040019) 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, 706 + ... + 15052.

It is an arithmetic number, because the mean of its divisors is an integer number (28265560).

Almost surely, 2^113040013 is an apocalyptic number.

It is an amenable number.

113040013 is a deficient number, since it is larger than the sum of its proper divisors (22227).

113040013 is an equidigital number, since it uses as much as digits as its factorization.

113040013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22226.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 113040013 is about 10632.0276993620. The cubic root of 113040013 is about 483.5158698045.

Adding to 113040013 its reverse (310040311), we get a palindrome (423080324).

The spelling of 113040013 in words is "one hundred thirteen million, forty thousand, thirteen".