113653405 has 8 divisors (see below), whose sum is σ = 136544184. Its totient is φ = 90816000.

The previous prime is 113653403. The next prime is 113653427. The reversal of 113653405 is 504356311.

It can be written as a sum of positive squares in 4 ways, for example, as 2709316 + 110944089 = 1646^2 + 10533^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 113653405 - 2¹ = 113653403 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 (113653403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8496 + ... + 17305.

It is an arithmetic number, because the mean of its divisors is an integer number (17068023).

Almost surely, 2^113653405 is an apocalyptic number.

It is an amenable number.

113653405 is a deficient number, since it is larger than the sum of its proper divisors (22890779).

113653405 is an equidigital number, since it uses as much as digits as its factorization.

113653405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26687.

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 113653405 is about 10660.8350986215. The cubic root of 113653405 is about 484.3888642858.

The spelling of 113653405 in words is "one hundred thirteen million, six hundred fifty-three thousand, four hundred five".