113147273 has 4 divisors (see below), whose sum is σ = 113683728. Its totient is φ = 112610820.

The previous prime is 113147267. The next prime is 113147323. The reversal of 113147273 is 372741311.

It is a happy number.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113147273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113147873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 267911 + ... + 268332.

It is an arithmetic number, because the mean of its divisors is an integer number (28420932).

Almost surely, 2^113147273 is an apocalyptic number.

It is an amenable number.

113147273 is a deficient number, since it is larger than the sum of its proper divisors (536455).

113147273 is an equidigital number, since it uses as much as digits as its factorization.

113147273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536454.

The product of its digits is 3528, while the sum is 29.

The square root of 113147273 is about 10637.0706963901. The cubic root of 113147273 is about 483.6687522989.

Adding to 113147273 its reverse (372741311), we get a palindrome (485888584).

The spelling of 113147273 in words is "one hundred thirteen million, one hundred forty-seven thousand, two hundred seventy-three".