113319949 has 4 divisors (see below), whose sum is σ = 113386780. Its totient is φ = 113253120.

The previous prime is 113319929. The next prime is 113319991. The reversal of 113319949 is 949913311.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 949913311 = 5381 ⋅176531.

It can be written as a sum of positive squares in 2 ways, for example, as 55026724 + 58293225 = 7418^2 + 7635^2 .

It is a cyclic number.

It is not a de Polignac number, because 113319949 - 2⁵ = 113319917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113319929) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30804 + ... + 34285.

It is an arithmetic number, because the mean of its divisors is an integer number (28346695).

Almost surely, 2^113319949 is an apocalyptic number.

It is an amenable number.

113319949 is a deficient number, since it is larger than the sum of its proper divisors (66831).

113319949 is an equidigital number, since it uses as much as digits as its factorization.

113319949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66830.

The product of its digits is 26244, while the sum is 40.

The square root of 113319949 is about 10645.1843102879. The cubic root of 113319949 is about 483.9146723085.

The spelling of 113319949 in words is "one hundred thirteen million, three hundred nineteen thousand, nine hundred forty-nine".