113249519 has 4 divisors (see below), whose sum is σ = 119210040. Its totient is φ = 107289000.

The previous prime is 113249509. The next prime is 113249527. The reversal of 113249519 is 915942311.

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: 915942311 = 23189 ⋅39499.

It is a cyclic number.

It is not a de Polignac number, because 113249519 - 2¹² = 113245423 is a prime.

It is a super-2 number, since 2×113249519² = 25650907107462722, 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 (113249509) 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 3 ways as a sum of consecutive naturals, for example, 2980232 + ... + 2980269.

It is an arithmetic number, because the mean of its divisors is an integer number (29802510).

Almost surely, 2^113249519 is an apocalyptic number.

113249519 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

113249519 is a deficient number, since it is larger than the sum of its proper divisors (5960521).

113249519 is an equidigital number, since it uses as much as digits as its factorization.

113249519 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5960520.

The product of its digits is 9720, while the sum is 35.

The square root of 113249519 is about 10641.8757275210. The cubic root of 113249519 is about 483.8143981909.

The spelling of 113249519 in words is "one hundred thirteen million, two hundred forty-nine thousand, five hundred nineteen".