111440413 has 8 divisors (see below), whose sum is σ = 129105728. Its totient is φ = 94211424.

The previous prime is 111440383. The next prime is 111440437. The reversal of 111440413 is 314044111.

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 111440413 - 2⁹ = 111439901 is a prime.

It is a super-2 number, since 2×111440413² = 24837931299221138, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111440113) 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 in 7 ways as a sum of consecutive naturals, for example, 108531 + ... + 109552.

It is an arithmetic number, because the mean of its divisors is an integer number (16138216).

Almost surely, 2^111440413 is an apocalyptic number.

It is an amenable number.

111440413 is a deficient number, since it is larger than the sum of its proper divisors (17665315).

111440413 is an equidigital number, since it uses as much as digits as its factorization.

111440413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218163.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 111440413 is about 10556.5341376798. The cubic root of 111440413 is about 481.2243238564.

Adding to 111440413 its reverse (314044111), we get a palindrome (425484524).

The spelling of 111440413 in words is "one hundred eleven million, four hundred forty thousand, four hundred thirteen".