113219449 has 12 divisors (see below), whose sum is σ = 131937444. Its totient is φ = 96873504.

The previous prime is 113219443. The next prime is 113219453. The reversal of 113219449 is 944912311.

It can be written as a sum of positive squares in 2 ways, for example, as 110397049 + 2822400 = 10507^2 + 1680^2 .

It is not a de Polignac number, because 113219449 - 2³ = 113219441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113219441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31467 + ... + 34879.

It is an arithmetic number, because the mean of its divisors is an integer number (10994787).

Almost surely, 2^113219449 is an apocalyptic number.

It is an amenable number.

113219449 is a deficient number, since it is larger than the sum of its proper divisors (18717995).

113219449 is an equidigital number, since it uses as much as digits as its factorization.

113219449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4104 (or 4097 counting only the distinct ones).

The product of its digits is 7776, while the sum is 34.

The square root of 113219449 is about 10640.4628188815. The cubic root of 113219449 is about 483.7715736183.

The spelling of 113219449 in words is "one hundred thirteen million, two hundred nineteen thousand, four hundred forty-nine".