113405275 has 12 divisors (see below), whose sum is σ = 140796792. Its totient is φ = 90611840.

The previous prime is 113405273. The next prime is 113405287. The reversal of 113405275 is 572504311.

It is a happy number.

It is not a de Polignac number, because 113405275 - 2¹ = 113405273 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 (113405273) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22104 + ... + 26746.

It is an arithmetic number, because the mean of its divisors is an integer number (11733066).

Almost surely, 2^113405275 is an apocalyptic number.

113405275 is a deficient number, since it is larger than the sum of its proper divisors (27391517).

113405275 is an equidigital number, since it uses as much as digits as its factorization.

113405275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5630 (or 5625 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 113405275 is about 10649.1912838487. The cubic root of 113405275 is about 484.0360988375.

Adding to 113405275 its reverse (572504311), we get a palindrome (685909586).

The spelling of 113405275 in words is "one hundred thirteen million, four hundred five thousand, two hundred seventy-five".