113500013 has 8 divisors (see below), whose sum is σ = 126838656. Its totient is φ = 100664800.

The previous prime is 113499989. The next prime is 113500043. The reversal of 113500013 is 310005311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 113500013 - 2¹⁸ = 113237869 is a prime.

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 (113500043) 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, 125381 + ... + 126282.

It is an arithmetic number, because the mean of its divisors is an integer number (15854832).

Almost surely, 2^113500013 is an apocalyptic number.

It is an amenable number.

113500013 is a deficient number, since it is larger than the sum of its proper divisors (13338643).

113500013 is a wasteful number, since it uses less digits than its factorization.

113500013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251715.

The product of its (nonzero) digits is 45, while the sum is 14.

The square root of 113500013 is about 10653.6384864515. The cubic root of 113500013 is about 484.1708481497.

Adding to 113500013 its reverse (310005311), we get a palindrome (423505324).

The spelling of 113500013 in words is "one hundred thirteen million, five hundred thousand, thirteen".