113538145393 has 8 divisors (see below), whose sum is σ = 113656293800. Its totient is φ = 113420062080.

The previous prime is 113538145381. The next prime is 113538145447. The reversal of 113538145393 is 393541835311.

It can be written as a sum of positive squares in 4 ways, for example, as 20429556624 + 93108588769 = 142932^2 + 305137^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113538145393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113538145333) 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, 3962683 + ... + 3991231.

It is an arithmetic number, because the mean of its divisors is an integer number (14207036725).

Almost surely, 2^113538145393 is an apocalyptic number.

It is an amenable number.

113538145393 is a deficient number, since it is larger than the sum of its proper divisors (118148407).

113538145393 is a wasteful number, since it uses less digits than its factorization.

113538145393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32547.

The product of its digits is 583200, while the sum is 46.

The spelling of 113538145393 in words is "one hundred thirteen billion, five hundred thirty-eight million, one hundred forty-five thousand, three hundred ninety-three".