113640559 has 2 divisors, whose sum is σ = 113640560. Its totient is φ = 113640558.

The previous prime is 113640557. The next prime is 113640587. The reversal of 113640559 is 955046311.

It is a weak prime.

It is an emirp because it is prime and its reverse (955046311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 113640559 - 2¹ = 113640557 is a prime.

Together with 113640557, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113640557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56820279 + 56820280.

It is an arithmetic number, because the mean of its divisors is an integer number (56820280).

Almost surely, 2^113640559 is an apocalyptic number.

113640559 is a deficient number, since it is larger than the sum of its proper divisors (1).

113640559 is an equidigital number, since it uses as much as digits as its factorization.

113640559 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16200, while the sum is 34.

The square root of 113640559 is about 10660.2325959615. The cubic root of 113640559 is about 484.3706137875.

The spelling of 113640559 in words is "one hundred thirteen million, six hundred forty thousand, five hundred fifty-nine".