113340437 has 4 divisors (see below), whose sum is σ = 129531936. Its totient is φ = 97148940.

The previous prime is 113340421. The next prime is 113340443. The reversal of 113340437 is 734043311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 734043311 = 1213 ⋅605147.

It is not a de Polignac number, because 113340437 - 2⁴ = 113340421 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 (113340407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8095739 + ... + 8095752.

It is an arithmetic number, because the mean of its divisors is an integer number (32382984).

Almost surely, 2^113340437 is an apocalyptic number.

It is an amenable number.

113340437 is a deficient number, since it is larger than the sum of its proper divisors (16191499).

113340437 is an equidigital number, since it uses as much as digits as its factorization.

113340437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16191498.

The product of its (nonzero) digits is 3024, while the sum is 26.

The square root of 113340437 is about 10646.1465798664. The cubic root of 113340437 is about 483.9438341240.

Adding to 113340437 its reverse (734043311), we get a palindrome (847383748).

The spelling of 113340437 in words is "one hundred thirteen million, three hundred forty thousand, four hundred thirty-seven".