111734813 has 2 divisors, whose sum is σ = 111734814. Its totient is φ = 111734812.

The previous prime is 111734797. The next prime is 111734837. The reversal of 111734813 is 318437111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 109035364 + 2699449 = 10442^2 + 1643^2 .

It is a cyclic number.

It is not a de Polignac number, because 111734813 - 2⁴ = 111734797 is a prime.

It is a super-2 number, since 2×111734813² = 24969336872289938, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111734213) 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, 55867406 + 55867407.

It is an arithmetic number, because the mean of its divisors is an integer number (55867407).

Almost surely, 2^111734813 is an apocalyptic number.

It is an amenable number.

111734813 is a deficient number, since it is larger than the sum of its proper divisors (1).

111734813 is an equidigital number, since it uses as much as digits as its factorization.

111734813 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2016, while the sum is 29.

The square root of 111734813 is about 10570.4689110749. The cubic root of 111734813 is about 481.6477126569.

The spelling of 111734813 in words is "one hundred eleven million, seven hundred thirty-four thousand, eight hundred thirteen".