113643001 has 8 divisors (see below), whose sum is σ = 115337600. Its totient is φ = 111954960.

The previous prime is 113642989. The next prime is 113643017. The reversal of 113643001 is 100346311.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113643001 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 113643001.

It is not an unprimeable number, because it can be changed into a prime (113643031) 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, 41410 + ... + 44068.

It is an arithmetic number, because the mean of its divisors is an integer number (14417200).

Almost surely, 2^113643001 is an apocalyptic number.

It is an amenable number.

113643001 is a deficient number, since it is larger than the sum of its proper divisors (1694599).

113643001 is an equidigital number, since it uses as much as digits as its factorization.

113643001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3279.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 113643001 is about 10660.3471331847. The cubic root of 113643001 is about 484.3740832782.

Adding to 113643001 its reverse (100346311), we get a palindrome (213989312).

It can be divided in two parts, 11364 and 3001, that added together give a triangular number (14365 = T₁₆₉).

The spelling of 113643001 in words is "one hundred thirteen million, six hundred forty-three thousand, one".