113137543 has 2 divisors, whose sum is σ = 113137544. Its totient is φ = 113137542.

The previous prime is 113137469. The next prime is 113137553. The reversal of 113137543 is 345731311.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113137543 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113137553) 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 as a sum of consecutive naturals, namely, 56568771 + 56568772.

It is an arithmetic number, because the mean of its divisors is an integer number (56568772).

Almost surely, 2^113137543 is an apocalyptic number.

113137543 is a deficient number, since it is larger than the sum of its proper divisors (1).

113137543 is an equidigital number, since it uses as much as digits as its factorization.

113137543 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3780, while the sum is 28.

The square root of 113137543 is about 10636.6133237981. The cubic root of 113137543 is about 483.6548876788.

Adding to 113137543 its reverse (345731311), we get a palindrome (458868854).

The spelling of 113137543 in words is "one hundred thirteen million, one hundred thirty-seven thousand, five hundred forty-three".